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John 'Jack' Gordon Clark (1926–1999) was a Harvard psychiatrist known for his research on the alleged damaging effects of cults. [full citation needed] He was the target of harassment from the Church of Scientology after he testified against it to the Vermont legislature in 1976.
Dr. John G. Clark, a Harvard psychiatrist whose study of new religious sects in the 1970's raised public awareness of the overwhelming influence of some groups over their members, died on Oct. 7...
Mar 15, 1982 · ''Many cult groups have developed basically similar and quite compelling conversion techniques for exploiting the vulnerabilities of potential converts,'' said John G. Clark Jr., an assistant...
Oct 11, 1999 · Dr. John G. Clark of Weston, Mass., a psychiatrist who was among the first to note the damaging effects of membership in cults, died Thursday in a nursing home. He was 73.
Nov 27, 2022 · I am John Clark. I am assistant clinical professor at Harvard Medical School at the Massachusetts General Hospital, and I am involved in research of subject conversions at the Massachusetts General Hospital.
* An associate professor of history at the University of Kansas, Mr. Clark is the author of The Grain in the Old Northwest (1966) and a forthcoming book on the economic history of New Orleans, 1712-1812, to be published by the
Review Article. ECONOMIC DEVELOPMENT VS. SUSTAINABLE SOCIETIES: Reflections on the Players in a Crucial Contest. John G. Clark. Vol. 26:225-248 (Volume publication date November 1995) https://doi.org/10.1146/annurev.es.26.110195.001301. © Annual Reviews.
