John Gordon Clark

John Gordon Clark
Born1926 (1926)
Died1999 (aged 72–73)
Alma materHarvard Medical School, M.D.
Macalester College, B.S.
Known forresearch on cults
AwardsPsychiatrist of the Year, Psychiatric Times, 1991
Scientific career
Fieldspsychiatry
InstitutionsHarvard University

John 'Jack' Gordon Clark (1926–1999) was a Harvard psychiatrist known for his research on the alleged damaging effects of cults.