Personal psychedelic experiments and anthropological influences described in a memoir excerpt

Personal psychedelic experiments and anthropological influences described in a memoir excerpt The passage recounts individual experiences with entheogens and mentions academic figures, but provides no concrete leads, transactions, dates, or allegations involving high‑ranking officials or powerful institutions. Its relevance is limited to cultural and historical context rather than actionable investigative material. Key insights: Mentions anthropologists Michael Harner and Barbara Meyerhoff as guides on psychedelic use.; References Sidney Cohen, former director of NIH's Institute on Drug Abuse, and his connections to early LSD circles.; Describes personal use of LSD, mescaline, yagé, datura, and peyote in various settings.