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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 fulllength 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.
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