In the decade before he became the highly controversial director of
psychedelic drug research at Harvard, Timothy Leary was one of the
leading clinical psychologists practicing in the U.S., heading the
prestigious Kaiser Foundation Psychological Research Center in Oakland.
INTERPERSONAL DIAGNOSIS OF PERSONALITY (1957), his first full-length
book, summarizes the innovative experimental studies in interpersonal
behavior performed by the author and his associates at the Kaiser
Foundation and in private practice between 1950 and 1957.