"1976Z"^^ . "1904Z"^^ . . . "1904-02-04Z"^^ . . . "Beecher, Henry K."@en . "Henry Knowles Beecher (February 4, 1904 \u2013 July 25, 1976) was a pioneering American anesthesiologist, medical ethicist, and investigator of the placebo effect at Harvard Medical School.Beecher's influential 1966 article on unethical medical experimentation in the New England Journal of Medicine \u2014 \"Ethics and Clinical Research\" \u2014 was instrumental in the implementation of federal rules on human experimentation and informed consent. A 1999 biography\u2014written by Vincent J. Kopp, M.D."@en . "1976-07-25Z"^^ . . "Henry K. Beecher"@en . "American medical academic" .