Ronald D. Siegel

About

Ronald Keith Siegel was an American psychopharmacologist who was an associate research professor in the Department of Psychiatry and Biobehavioral Sciences at the University of California, Los Angeles. Siegel was the author of several noted studies and books on psychopharmacology, hallucination, and paranoia. A native of Herkimer, New York, he received his B.A. in sociology from Brandeis University and his Ph.D. in psychology from Dalhousie University. He was affiliated with the Albert Einstein College of Medicine at Yeshiva University before joining the research faculty of UCLA in 1972, where he remained until his retirement in 2008. Throughout his career, he was a consultant to several government commissions on drug use. His research focused on the effects of drugs on human behavior, including numerous clinical studies in which human volunteers took drugs such as ketamine, LSD, marijuana, mescaline, psilocybin, and THC.