Michael H. Agar is a research associate at the Language Behavioral Research Laboratory, University of California at Berkeley. He has worked in both academic and applied research settings, including the University of Houston, the University of Hawaii, the National Institute of Mental Health Clinical Research Center in Lexington, Kentucky and the Drug Abuse Control Commission in New York City. His anthropological field experience includes work among South Indian villages, Austrian peasants, and urban American heroin addicts in Honolulu, San Francisco, New York, and Lexington, Kentucky. His publications include a book entitled Ripping and Running, the only book length ethnography of heroin addicts. He has also written numerous journal articles and monographs. He received the Ph.D. from the University of California in 1971. He was recently honored with a research center development award which enabled him to participate in the PCP ethnography study.
George M. Beschner is deputy chief of the Services Research Branch, National Institute on Drug Abuse (NIDA). An official of NIDA since 1971, he has planned, implemented, and coordinated research and demonstration projects designed to improve drug-abuse rehabilitation services. Previously he was on the faculty of the University of Maryland School of Social Work and Community Planning. He has directed community action programs in Washington, D.C., and southern Maryland and has served as a training director with the Office of Economic Opportunity. He began his career in the delinquency field with the New York City Youth Board in 1958. He has published numerous articles, monographs, and books. He is the co-editor of such volumes as: Polydrug Abuse, Youth Drug Abuse, and Management Information Systems in the Drug Field. He received the master's degree from the Columbia University School of Social Work.
Harvey W. Feldman received his Ph.D. from Brandeis University in 1970. While at Brandeis, he worked as a project director of a public welfare study, and was coprincipal investigator with Irving Zola of a "Neighborhood Drug Study," supported by the National Institute on Mental Health. He was a fellow of the Drug Abuse Council from 1972 to 1974 and was associate professor at St. Louis University from 1974 to 1976. He has written many articles on drug addiction and two monographs entitled, Drugs, the Omnibus Crime Control Acts and the Evaluation Process and Street Status and the Drug Researcher, Issues in Participant Observation. During the past three years, he has lived in the Bay area where he holds the office of president in the firm of Brown and Feldman Associates in Oakland, California.