Erik Erikson

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Erik Homberger Erikson
Erik Homberger Erikson
	Erik Erikson
Born	Erik Salomonsen; 15 June 1902; Frankfurt am Main, Hesse, Germany
Died	12 May 1994 (aged 91); Harwich, Cape Cod, Massachusetts, U.S.
Citizenship	American, German
Known for	Theory on social development
Spouse(s)	Joan Serson Erikson (1930–1994; his death; 4 children)
	Scientific career
Fields	Developmental psychologist
Institutions	Yale University; University of California, Berkeley; University of Pittsburgh; Harvard Medical School
Notable students	Richard Sennett
Influences	Sigmund Freud, Anna Freud
Influenced	James Marcia

Erik Homburger Erikson (born Erik Salomonsen;^[1] 15 June 1902 – 12 May 1994) was a German-born American developmental psychologist and psychoanalyst known for his theory on psychosocial development of human beings. He may be most famous for coining the phrase identity crisis. His son, Kai T. Erikson, is a noted American sociologist.

Although Erikson lacked a bachelor’s degree, he served as a professor at prominent institutions such as Harvard and Yale. A Review of General Psychology survey, published in 2002, ranked Erikson as the 12th most cited psychologist of the 20th century.^[3]

Early life

Erikson’s mother, Karla Abrahamsen, came from a prominent Jewish family in Copenhagen, Denmark. She was married to Jewish stockbroker Valdemar Isidor Salomonsen, but had been estranged from him for several months at the time Erik was conceived. Little is known about Erik’s biological father except that he was a Danish gentile. On discovering her pregnancy, Karla fled to Frankfurt am Main in Germany where Erik was born on June 15, 1902 and was given the surname Salomonsen.^[4]

Following Erik’s birth, Karla trained to be a nurse and moved to Karlsruhe. In 1905 she married Erik’s Jewish pediatrician, Theodor Homberger. In 1908, Erik Salomonsen’s name was changed to Erik Homberger, and in 1911 Erik was officially adopted by his stepfather.^[5]

The development of identity seems to have been one of Erikson’s greatest concerns in his own life as well as in his theory. As an older adult, he wrote about his adolescent “identity confusion” in his European days. “My identity confusion,” he wrote “[was at times on] the borderline between neurosis and adolescent psychosis.” Erikson’s daughter writes that her father’s “real psychoanalytic identity” was not established until he “replaced his stepfather’s surname [Homberger] with a name of his own invention [Erikson].”^[6]

During his childhood and early adulthood he was known as Erik Homberger, and his parents kept the details of his birth a secret. He was a tall, blond, blue-eyed boy who was raised in the Jewish religion. At temple school, the kids teased him for being Nordic; at grammar school, they teased him for being Jewish.^[7]

At Das Humanistische Gymnasium his main interests were art, history and languages, but he lacked interest in school and graduated without academic distinction.^[8] After graduation, instead of attending medical school, as his stepfather had desired, he attended art school in Munich, but soon dropped out.

Uncertain about his vocation and his fit in society, Erikson began a lengthy period of roaming about Germany and Italy as a wandering artist with his childhood friend Peter Blos and others. During this period he continued to contend with questions about his father and competing ideas of ethnic, religious, and national identity.^[7]

Psychoanalytic experience and training

When Erikson was twenty-five, his friend Peter Blos invited him to Vienna to tutor art at the small Burlingham-Rosenfeld School for children whose affluent parents were undergoing psychoanalysis by Sigmund Freud‘s daughter, Anna Freud.^[7]

Anna noticed Erikson’s sensitivity to children at the school and encouraged him to study psychoanalysis at the Vienna Psychoanalytic Institute, where prominent analysts August Aichhorn, Heinz Hartmann and Paul Federn were among those who supervised his theoretical studies. He specialized in child analysis and underwent a training analysis with Anna Freud. Helene Deutsch and Edward Bibring supervised his initial treatment of an adult.^[7]

Simultaneously he studied the Montessori method of education, which focused on child development and sexual stages.^[9]^{[not in citation given]}

In 1933 he received his diploma from the Vienna Psychoanalytic Institute. This and his Montessori diploma were to be Erikson’s only earned academic credentials for his life’s work.

United States

In 1931 Erikson married Joan Mowat Serson, a Canadian dancer and artist whom Erikson had met at a dress ball.^[8]^[10] During their marriage Erikson converted to Christianity.^[11]^[12]^[13]

In 1933, with Hitler’s rise to power in Germany, the burning of Freud’s books in Berlin and the potential Nazi threat to Austria, the family left an impoverished Vienna with their two young sons and emigrated to Copenhagen. Unable to regain Danish citizenship because of residence requirements, the family left for the United States, where citizenship would not be an issue.^[7]

In the U.S., Erikson became the first child psychoanalyst in Boston and held positions at Massachusetts General Hospital, the Judge Baker Guidance Center, and at Harvard Medical School and Psychological Clinic, establishing a singular reputation as a clinician.

In 1936, Erikson left Harvard and joined the staff at Yale University, where he worked at the Institute of Human Relations and taught at the Medical School. While at Yale he became a naturalized citizen of the United States and changed his family’s surname from his adoptive father’s name of “Homberger” to “Erikson.”^[7]

Erikson continued to deepen his interest in areas beyond psychoanalysis and to explore connections between psychology and anthropology. He made important contacts with anthropologists such as Margaret Mead, Gregory Bateson and Ruth Benedict, and these contacts, in turn, led to an excursion in 1938, which was to prove significant in the development of his thinking; he was invited to observe the education of native Sioux children on the Pine Ridge Indian Reservation in South Dakota.^[7]

In 1939 he left Yale, and the Eriksons moved to California, where Erik had been invited to join a team engaged in a longitudinal study of child development for the University of California at Berkeley‘s Institute of Child Welfare. In addition, in San Francisco he opened a private practice in child psychoanalysis.

While in California he was able to make his second study of American Indian children when he joined anthropologist Alfred Kroeber on a field trip to Northern California to study the Yurok.^[8]

In 1950, after publishing the book, Childhood and Society, for which he is best known, Erikson left the University of California when California’s Levering Act required professors there to sign loyalty oaths.^[14] From 1951 to 1960 he worked and taught at the Austen Riggs Center, a prominent psychiatric treatment facility in Stockbridge, Massachusetts, where he worked with emotionally troubled young people. During this time he also served as a visiting professor at the University of Pittsburgh where he worked with Benjamin Spock and Fred Rogers at Arsenal Nursery School of the Western Psychiatric Institute.^[15]

He returned to Harvard in the 1960s as a professor of human development and remained there until his retirement in 1970. In 1973 the National Endowment for the Humanities selected Erikson for the Jefferson Lecture, the United States’ highest honor for achievement in the humanities. Erikson’s lecture was titled “Dimensions of a New Identity”.^[16]^[17]^[18]

Theories of development and the ego

Erikson is also credited with being one of the originators of Ego psychology, which stressed the role of the ego as being more than a servant of the id. According to Erikson, the environment in which a child lived was crucial to providing growth, adjustment, a source of self-awareness and identity. Erikson won a Pulitzer Prize^[19] and a U.S. National Book Award in category Philosophy and Religion^[20] for Gandhi’s Truth (1969), which focused more on his theory as applied to later phases in the life cycle.

In Erikson’s discussion of development, rarely did he mention a stage of development by age but in fact did refer to a prolonged adolescence which has led to further investigation into a period of development between adolescence and young adulthood called emerging adulthood^[21].

Erikson’s theory of personality

Favorable outcomes of each stage are sometimes known as “virtues,” a term used in the context of Erikson’s work as it is applied to medicine, meaning “potencies.” Erikson’s research suggests that each individual must learn how to hold both extremes of each specific life-stage challenge in tension with one another, not rejecting one end of the tension or the other. Only when both extremes in a life-stage challenge are understood and accepted as both required and useful, can the optimal virtue for that stage surface. Thus, ‘trust’ and ‘mis-trust’ must both be understood and accepted, in order for realistic ‘hope’ to emerge as a viable solution at the first stage. Similarly, ‘integrity’ and ‘despair’ must both be understood and embraced, in order for actionable ‘wisdom’ to emerge as a viable solution at the last stage.

The Erikson life-stage virtue, in order of the eight stages in which they may be acquired, are:

Hope, Basic trust vs. basic mistrust—This stage covers the period of infancy, 0-18 months, which is the most fundamental stage of life. Whether the baby develops basic trust or basic mistrust is not merely a matter of nurture. It is multi-faceted and has strong social components. It depends on the quality of the maternal relationship. The mother carries out and reflects their inner perceptions of trustworthiness, a sense of personal meaning, etc. on the child. If successful in this, the baby develops a sense of trust, which “forms the basis in the child for a sense of identity.” Failure to develop this trust will result in a feeling of fear and a sense that the world is inconsistent and unpredictable.
Will, Autonomy vs. Shame—Covers early childhood around 1–3 years old. Introduces the concept of autonomy vs. shame and doubt. The child begins to discover the beginnings of his or her independence, and parents must facilitate the child’s sense of doing basic tasks “all by himself/herself.” Discouragement can lead to the child doubting his or her efficacy. During this stage the child is usually trying to master toilet training.
Purpose, Initiative vs. Guilt—Preschool / 3–6 years. Does the child have the ability to or do things on their own, such as dress him or herself? If “guilty” about making his or her own choices, the child will not function well. Erikson has a positive outlook on this stage, saying that most guilt is quickly compensated by a sense of accomplishment.
Competence, Industry vs. Inferiority—School-age / 6–11 years. Child comparing self-worth to others (such as in a classroom environment). Child can recognize major disparities in personal abilities relative to other children. Erikson places some emphasis on the teacher, who should ensure that children do not feel inferior.
Fidelity, Identity vs. Role Confusion—Adolescent / 12–18 years. Questioning of self. Who am I, how do I fit in? Where am I going in life? Erikson believes, that if the parents allow the child to explore, they will conclude their own identity. If, however, the parents continually push him/her to conform to their views, the teen will face identity confusion.
Love, Intimacy vs. isolation—This is the first stage of adult development. This development usually happens during young adulthood, which is between the ages of 18 to 35. Dating, marriage, family and friendships are important during the stage in their life. By successfully forming loving relationships with other people, individuals are able to experience love and intimacy. Those who fail to form lasting relationships may feel isolated and alone.
Care, Generativity vs. stagnation—The second stage of adulthood happens between the ages of 35-64. During this time people are normally settled in their life and know what is important to them. A person is either making progress in their career or treading lightly in their career and unsure if this is what they want to do for the rest of their working lives. Also during this time, a person is enjoying raising their children and participating in activities, that gives them a sense of purpose. If a person is not comfortable with the way their life is progressing, they’re usually regretful about the decisions that they have made in the past and feel a sense of uselessness.
Wisdom, Ego integrity vs. despair—This stage affects the age group of 65 and on. During this time an individual has reached the last chapter in their life and retirement is approaching or has already taken place. Ego-integrity means the acceptance of life in its fullness: the victories and the defeats, what was accomplished and what was not accomplished. Wisdom is the result of successfully accomplishing this final developmental task. Wisdom is defined as “informed and detached concern for life itself in the face of death itself.”^[22]
For Ninth Stage see Erikson’s stages of psychosocial development#Ninth stage

On ego identity versus role confusion—ego identity enables each person to have a sense of individuality, or as Erikson would say, “Ego identity, then, in its subjective aspect, is the awareness of the fact that there is a self-sameness and continuity to the ego’s synthesizing methods and a continuity of one’s meaning for others,” (1963). Role confusion, however, is, according to Barbara Engler in her book Personality Theories (2006), “the inability to conceive of oneself as a productive member of one’s own society” (158). This inability to conceive of oneself as a productive member is a great danger; it can occur during adolescence, when looking for an occupation.

Personal life

Erikson married Canadian-born American psychologist Joan Erikson in 1930 and they remained together until his death.^[23]

Their daughter, Sue Bloland, “an integrative psychotherapist and psychoanalyst,”^[24] described her father as plagued by “lifelong feelings of personal inadequacy.”^[25] He thought that by combining resources with his wife, he could “achieve the recognition” that might produce a feeling of adequacy.^[26]

The Eriksons had three children, the eldest of whom is sociologist Kai T. Erikson. Erikson died on May 12, 1994 in Harwich, Massachusetts. He and his wife are buried in the First Congregational Church Cemetery in Harwich.^[27]

Bibliography

Major works

Childhood and Society (1950)
Young Man Luther. A Study in Psychoanalysis and History (1958)
Insight and Responsibility (1964)
Identity: Youth and Crisis (1968)
Gandhi’s Truth: On the Origin of Militant Nonviolence (1969)
Life History and the Historical Moment (1975)
Adulthood (edited book, 1978)
Vital Involvement in Old Age (with J.M. Erikson and H. Kivnick, 1986)
The Life Cycle Completed (with J.M. Erikson, 1987)

Collections

Identity and the Life Cycle. Selected Papers (1959)
“A Way of Looking At Things – Selected Papers from 1930 to 1980, Erik H.Erikson” ed.by S. Schlein, W.W.Norton & Co, New York, (1995)

Related work

Erikson on Development in Adulthood: New Insights from the Unpublished Papers (Dallas Hope Melinda Bird, 2002)
Erik Erikson: His Life, Work, and Significance (Kit Welchman, 2000 Open University Press) His Work (Robert Coles, 1970)
Ideas and Identities: The Life and Work of Erik Erikson (Robert S. Wallerstein & Leo Goldberger, eds., [IUP, 1998])
“Dialogue with Erik Erikson” (Richard I. Evans, E.P.Dutton & Co, New York, 1969)

References

^ Jump up to:^a ^b https://books.google.com/books?id=tFJvyOpFJtUC&pg=PA29&dq=Waldemar+Isidor+Salomonsen&hl=en#v=onepage&q&f=false
^ Jump up to:^a ^b “Erik Erikson, 91, Psychoanalyst Who Reshaped Views of Human Growth, Dies”, New York Times, March 13, 1994.
Jump up^ Haggbloom, Steven J.; Warnick, Jason E.; Jones, Vinessa K.; Yarbrough, Gary L.; Russell, Tenea M.; Borecky, Chris M.; McGahhey, Reagan; et al. (2002). “The 100 most eminent psychologists of the 20th century”. Review of General Psychology. 6 (2): 139–152. doi:10.1037/1089-2680.6.2.139.
Jump up^ Friedman, Lawrence Jacob (2000). Identity’s architect: a biography of Erik H. Erikson. Harvard University Press. p. 29. ISBN 978-0-674-00437-5.
Jump up^ “Psychology”. Sweet Briar College. Retrieved 2013-08-30.
Jump up^ Sue Bloland, In the Shadow of Fame (Penguin Books, 2005), 62, 64.
^ Jump up to:^a ^b ^c ^d ^e ^f ^g Hoare, Carol (2001). “Chapter 2, Erikson’s Thought in Context”. Erikson on Development in Adulthood: New Insights from the Unpublished Papers. Oxford University Press, USA. pp. 7–12. ISBN 978-0195131758.
^ Jump up to:^a ^b ^c Stevens, Richard (1983). “Chapter 1”. Erik Erikson: An Introduction. New York, NY: St. Martin’s Press. ISBN 978-0-312-25812-2.
Jump up^ “Erik H. Erikson”. Erikson Institute. Retrieved 2016-04-03.
Jump up^ Stephen Schlein, ed. (2009) [2005]. “Stephen Schlein Erik Erikson papers”. Harvard University Library. Retrieved 2014-03-11.
Jump up^ Robert McG. Thomas Jr (August 8, 1997). “Joan Erikson Is Dead at 95; Shaped Thought on Life Cycles”. The New York Times. Retrieved 2013-08-30.
Jump up^ Engler, Barbara (2008). Personality Theories: An Introduction. Cengage Learning. p. 151. ISBN 978-0-547-14834-2.
Jump up^ Fadiman, James; Frager, Robert (2002). Personality and Personal Growth (5th ed.). Pearson Prentice Hall. p. 208. ISBN 978-0-13-040961-4. Retrieved 2013-08-30.
Jump up^ C. George Boeree (2006) [1997]. “Erik Erikson, 1902 – 1994”. Shippensburg University. Retrieved 2013-08-30.
Jump up^ Friedman, Lawrence Jacob (2000). Identity’s architect: a biography of Erik H. Erikson. Harvard University Press. pp. 253, 261–262. ISBN 978-0-674-00437-5. Retrieved April 28,2014.
Jump up^ Jefferson Lecturers at NEH Website (retrieved January 22, 2009).
Jump up^ Erikson, Erik H. Dimensions of a New Identity: The Jefferson Lectures in the Humanities (W. W. Norton & Company, Inc., 1979), ISBN 0-393-00923-8, ISBN 978-0-393-00923-1.
Jump up^ George Stade, “Byways of Our National Character,” New York Times, May 19, 1976 (review of Erikson’s Dimensions of a New Identity).
Jump up^ “1970 winners—General Nonfiction—Gandhi’s Truth by Erik H. Erikson”. pulitzer.org. Columbia University. n.d. Retrieved 27 March 2012.
Jump up^ “National Book Awards – 1970”. National Book Foundation. Retrieved 2012-03-08.
Jump up^ Arnett, Jeffrey Jensen (May 2000). “Emerging Adulthood: A Theory of Development from the Late Teens Through the Twenties”. American Psychologist. 55: 469–480. doi:10.1037/0003-066x.55.5.469.
Jump up^ Erikson, Erik H. (1997). The Life Cycle Completed. Extended version with New Chapters on the Ninth Stage of Development by Joan H. Erikson. New York: W. W. Norton, p. 61.
Jump up^ Thomas, Robert (8 August 1997). “Joan Erikson Is Dead at 95; Shaped Thought on Life Cycles”. The New York Times. Retrieved 7 October 2014.
Jump up^ Psychology Today, “Sue Erikson Bloland: Clinical Social Work/Therapist, LCSW” online at https://therapists.psychologytoday.com/rms/name/Sue_Erikson+Bloland_LCSW_New+York_New+York_254013.
Jump up^ Robert Leiter, “The Corrosive Nature of Fame” in Jewish World Review Nov. 29, 1999/ 20 Kislev, 5760. Online at http://www.jewishworldreview.com/on/media112999.asp.
Jump up^ Sue Bloland, In the Shadow of Fame (Penguin Books, 2005), 67.
Jump up^ “Find A Grave”. Retrieved 2015-12-06.

External links

Quotations related to Erik Erikson at Wikiquote
Works by or about Erik Erikson at Internet Archive
Obituary May 13, 1994 New York Times
Erik Erikson at Find a Grave
Erikson Institute website
Brief biography of Erikson
Brief biography of Erikson
In the Shadow of Fame: A Memoir by the Daughter of Erik Erikson (2004)

[books.google.com-1] Jump up to:^a ^b https://books.google.com/books?id=tFJvyOpFJtUC&pg=PA29&dq=Waldemar+Isidor+Salomonsen&hl=en#v=onepage&q&f=false

[NYTObit-2] Jump up to:^a ^b “Erik Erikson, 91, Psychoanalyst Who Reshaped Views of Human Growth, Dies”, New York Times, March 13, 1994.

[3] Jump up^ Haggbloom, Steven J.; Warnick, Jason E.; Jones, Vinessa K.; Yarbrough, Gary L.; Russell, Tenea M.; Borecky, Chris M.; McGahhey, Reagan; et al. (2002). “The 100 most eminent psychologists of the 20th century”. Review of General Psychology. 6 (2): 139–152. doi:10.1037/1089-2680.6.2.139.

[4] Jump up^ Friedman, Lawrence Jacob (2000). Identity’s architect: a biography of Erik H. Erikson. Harvard University Press. p. 29. ISBN 978-0-674-00437-5.

[5] Jump up^ “Psychology”. Sweet Briar College. Retrieved 2013-08-30.

[6] Jump up^ Sue Bloland, In the Shadow of Fame (Penguin Books, 2005), 62, 64.

[Hoare-7] Jump up to:^a ^b ^c ^d ^e ^f ^g Hoare, Carol (2001). “Chapter 2, Erikson’s Thought in Context”. Erikson on Development in Adulthood: New Insights from the Unpublished Papers. Oxford University Press, USA. pp. 7–12. ISBN 978-0195131758.

[Stevens-8] Jump up to:^a ^b ^c Stevens, Richard (1983). “Chapter 1”. Erik Erikson: An Introduction. New York, NY: St. Martin’s Press. ISBN 978-0-312-25812-2.

[9] Jump up^ “Erik H. Erikson”. Erikson Institute. Retrieved 2016-04-03.

[10] Jump up^ Stephen Schlein, ed. (2009) [2005]. “Stephen Schlein Erik Erikson papers”. Harvard University Library. Retrieved 2014-03-11.

[11] Jump up^ Robert McG. Thomas Jr (August 8, 1997). “Joan Erikson Is Dead at 95; Shaped Thought on Life Cycles”. The New York Times. Retrieved 2013-08-30.

[12] Jump up^ Engler, Barbara (2008). Personality Theories: An Introduction. Cengage Learning. p. 151. ISBN 978-0-547-14834-2.

[13] Jump up^ Fadiman, James; Frager, Robert (2002). Personality and Personal Growth (5th ed.). Pearson Prentice Hall. p. 208. ISBN 978-0-13-040961-4. Retrieved 2013-08-30.

[14] Jump up^ C. George Boeree (2006) [1997]. “Erik Erikson, 1902 – 1994”. Shippensburg University. Retrieved 2013-08-30.

[15] Jump up^ Friedman, Lawrence Jacob (2000). Identity’s architect: a biography of Erik H. Erikson. Harvard University Press. pp. 253, 261–262. ISBN 978-0-674-00437-5. Retrieved April 28,2014.

[jefflect-16] Jump up^ Jefferson Lecturers at NEH Website (retrieved January 22, 2009).

[17] Jump up^ Erikson, Erik H. Dimensions of a New Identity: The Jefferson Lectures in the Humanities (W. W. Norton & Company, Inc., 1979), ISBN 0-393-00923-8, ISBN 978-0-393-00923-1.

[18] Jump up^ George Stade, “Byways of Our National Character,” New York Times, May 19, 1976 (review of Erikson’s Dimensions of a New Identity).

[pulitzer.org_-_1970_winners_-_General_Nonfiction_-_Gandhi.27s_Truth_by_Erik_H._Erikson-19] Jump up^ “1970 winners—General Nonfiction—Gandhi’s Truth by Erik H. Erikson”. pulitzer.org. Columbia University. n.d. Retrieved 27 March 2012.

[nba1970-20] Jump up^ “National Book Awards – 1970”. National Book Foundation. Retrieved 2012-03-08.

[21] Jump up^ Arnett, Jeffrey Jensen (May 2000). “Emerging Adulthood: A Theory of Development from the Late Teens Through the Twenties”. American Psychologist. 55: 469–480. doi:10.1037/0003-066x.55.5.469.

[22] Jump up^ Erikson, Erik H. (1997). The Life Cycle Completed. Extended version with New Chapters on the Ninth Stage of Development by Joan H. Erikson. New York: W. W. Norton, p. 61.

[23] Jump up^ Thomas, Robert (8 August 1997). “Joan Erikson Is Dead at 95; Shaped Thought on Life Cycles”. The New York Times. Retrieved 7 October 2014.

[24] Jump up^ Psychology Today, “Sue Erikson Bloland: Clinical Social Work/Therapist, LCSW” online at https://therapists.psychologytoday.com/rms/name/Sue_Erikson+Bloland_LCSW_New+York_New+York_254013.

[25] Jump up^ Robert Leiter, “The Corrosive Nature of Fame” in Jewish World Review Nov. 29, 1999/ 20 Kislev, 5760. Online at http://www.jewishworldreview.com/on/media112999.asp.

[26] Jump up^ Sue Bloland, In the Shadow of Fame (Penguin Books, 2005), 67.

[27] Jump up^ “Find A Grave”. Retrieved 2015-12-06.

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Walter Ze’ev Laqueur
Born	26 May 1921 (age 96) Breslau, Lower Silesia, Prussia
Nationality	American
Occupation	Historian and political commentator

Byron York
York in 2017
Born	c. 1955
Residence	Washington, D.C.
Nationality	American
Education	University of Alabama University of Chicago
Occupation	Commentator, pundit, columnist, author
Notable credit(s)	White House correspondentfor National Reviewmagazine; columnist for The Hill; frequent guest on BloggingHeads.tv; author of The Vast Leftwing Conspiracy; formerly worked for CNN
Parent(s)	Thomas Earl York Helen Hamilton York

Barry Sears Ph.D.
Born	Barry Sears June 6, 1947 (age 69) Long Beach, California, United States
Alma mater	Palisades Charter High School Occidental College Indiana University
Occupation	Medical researcher
Known for	Zone diet
Notable work	The Zone: A Dietary Road Map (1995)

	Acute	Chronic
Causative agent	Bacterial pathogens, injured tissues	Persistent acute inflammation due to non-degradable pathogens, viral infection, persistent foreign bodies, or autoimmune reactions
Major cells involved	neutrophils (primarily), basophils (inflammatory response), and eosinophils (response to helminth worms and parasites), mononuclear cells (monocytes, macrophages)	Mononuclear cells (monocytes, macrophages, lymphocytes, plasma cells), fibroblasts
Primary mediators	Vasoactive amines, eicosanoids	IFN-γ and other cytokines, growth factors, reactive oxygen species, hydrolytic enzymes
Onset	Immediate	Delayed
Duration	Few days	Up to many months, or years
Outcomes	Resolution, abscess formation, chronic inflammation	Tissue destruction, fibrosis, necrosis

English	Latin
Redness	Rubor*
Swelling	Tumor*
Heat	Calor*
Pain	Dolor*
Loss of function	Functio laesa**
_{All the above signs may be observed in specific instances, but no single sign must, as a matter of course, be present.^[5]}_{These are the original, or “cardinal signs” of inflammation.^[5]} _{Functio laesa is an apocryphal notion, as it is not unique to inflammation and is a characteristic of many disease states.^[6]}*

Erik Homberger Erikson
Erik Erikson
Born	Erik Salomonsen^[1] 15 June 1902 Frankfurt am Main, Hesse, Germany^[2]
Died	12 May 1994 (aged 91) Harwich, Cape Cod, Massachusetts, U.S.^[2]
Citizenship	American, German
Known for	Theory on social development
Spouse(s)	Joan Serson Erikson (1930–1994; his death; 4 children)
Scientific career
Fields	Developmental psychologist
Institutions	Yale University University of California, Berkeley University of Pittsburgh Harvard Medical School
Notable students	Richard Sennett
Influences	Sigmund Freud, Anna Freud
Influenced	James Marcia

Name	Produced by	Description
Bradykinin	Kinin system	A vasoactive protein that is able to induce vasodilation, increase vascular permeability, cause smooth muscle contraction, and induce pain.
C3	Complement system	Cleaves to produce C3a and C3b. C3a stimulates histamine release by mast cells, thereby producing vasodilation. C3b is able to bind to bacterial cell walls and act as an opsonin, which marks the invader as a target for phagocytosis.
C5a	Complement system	Stimulates histamine release by mast cells, thereby producing vasodilation. It is also able to act as a chemoattractant to direct cells via chemotaxis to the site of inflammation.
Factor XII (Hageman Factor)	Liver	A protein that circulates inactively, until activated by collagen, platelets, or exposed basement membranes via conformational change. When activated, it in turn is able to activate three plasma systems involved in inflammation: the kinin system, fibrinolysis system, and coagulation system.
Membrane attack complex	Complement system	A complex of the complement proteins C5b, C6, C7, C8, and multiple units of C9. The combination and activation of this range of complement proteins forms the membrane attack complex, which is able to insert into bacterial cell walls and causes cell lysis with ensuing bacterial death.
Plasmin	Fibrinolysis system	Able to break down fibrin clots, cleave complement protein C3, and activate Factor XII.
Thrombin	Coagulation system	Cleaves the soluble plasma protein fibrinogen to produce insoluble fibrin, which aggregates to form a blood clot. Thrombin can also bind to cells via the PAR1 receptor to trigger several other inflammatory responses, such as production of chemokines and nitric oxide.

Name	Type	Source	Description
Lysosome granules	Enzymes	Granulocytes	These cells contain a large variety of enzymes that perform a number of functions. Granules can be classified as either specific or azurophilic depending upon the contents, and are able to break down a number of substances, some of which may be plasma-derived proteins that allow these enzymes to act as inflammatory mediators.
Histamine	Monoamine	Mast cells and basophils	Stored in preformed granules, histamine is released in response to a number of stimuli. It causes arteriole dilation, increased venous permeability, and a wide variety of organ-specific effects.
IFN-γ	Cytokine	T-cells, NK cells	Antiviral, immunoregulatory, and anti-tumour properties. This interferon was originally called macrophage-activating factor, and is especially important in the maintenance of chronic inflammation.
IL-8	Chemokine	Primarily macrophages	Activation and chemoattraction of neutrophils, with a weak effect on monocytes and eosinophils.
Leukotriene B4	Eicosanoid	Leukocytes, cancer cells	Able to mediate leukocyte adhesion and activation, allowing them to bind to the endothelium and migrate across it. In neutrophils, it is also a potent chemoattractant, and is able to induce the formation of reactive oxygen species and the release of lysosomal enzymes by these cells.
LTC4, LTD4	Eicosanoid	eosinophils, mast cells, macrophages	These three Cysteine-containing leukotrienes contract lung airways, increase micro-vascular permeability, stimulate mucus secretion, and promote eosinophil-based inflammation in the lung, skin, nose, eye, and other tissues.
5-oxo-eicosatetraenoic acid	Eicosanoid	leukocytes, cancer cells	Potent stimulator of neutrophil chemotaxis, lysosome enzyme release, and reactive oxygen species formation; monocyte chemotaxis; and with even greater potency eosinophil chemotaxis, lysosome enzyme release, and reactive oxygen species formation.
5-HETE	Eicosanoid	Leukocytes	Metabolic precursor to 5-Oxo-eicosatetraenoic acid, it is a less potent stimulator of neutrophil chemotaxis, lysosome enzyme release, and reactive oxygen species formation; monocyte chemotaxis; and eosinophil chemotaxis, lysosome enzyme release, and reactive oxygen species formation.
Prostaglandins	Eicosanoid	Mast cells	A group of lipids that can cause vasodilation, fever, and pain.
Nitric oxide	Soluble gas	Macrophages, endothelial cells, some neurons	Potent vasodilator, relaxes smooth muscle, reduces platelet aggregation, aids in leukocyte recruitment, direct antimicrobial activity in high concentrations.
TNF-α and IL-1	Cytokines	Primarily macrophages	Both affect a wide variety of cells to induce many similar inflammatory reactions: fever, production of cytokines, endothelial gene regulation, chemotaxis, leukocyte adherence, activation of fibroblasts. Responsible for the systemic effects of inflammation, such as loss of appetite and increased heart rate. TNF-α inhibits osteoblast differentiation.

“	Acute inflammation normally resolves by mechanisms that have remained somewhat elusive. Emerging evidence now suggests that an active, coordinated program of resolution initiates in the first few hours after an inflammatory response begins. After entering tissues, granulocytes promote the switch of arachidonic acid–derived prostaglandins and leukotrienes to lipoxins, which initiate the termination sequence. Neutrophil recruitment thus ceases and programmed death by apoptosis is engaged. These events coincide with the biosynthesis, from omega-3 polyunsaturated fatty acids, of resolvins and protectins, which critically shorten the period of neutrophil infiltration by initiating apoptosis. As a consequence, apoptotic neutrophils undergo phagocytosis by macrophages, leading to neutrophil clearance and release of anti-inflammatory and reparative cytokines such as transforming growth factor-β1. The anti-inflammatory program ends with the departure of macrophages through the lymphatics.^[48]	”
— Charles Serhan

Ann Coulter
Coulter at the 2013 Conservative Political Action Conference.
Born	Ann Hart Coulter December 8, 1961 (age 55) New York City, New York, U.S.
Nationality	American
Alma mater	Cornell University(BA) University of Michigan(JD)
Occupation	Author, columnist, political commentator
Political party	Republican^[1]
Website	anncoulter.com
Signature

Tyler Cowen

Born	January 21, 1962 (age 55) Bergen County, New Jersey, USA
Nationality	American

Field	Cultural economics
School or tradition	Neoclassical economics
Influences	Chicago School Thomas Schelling Carl Menger

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