Laurance_F._Shaffer
Laurance Frederic Shaffer (August 12, 1903 – July 20, 1976) was an American psychologist and a past president of the American Psychological Association (APA).
Laurance Frederic Shaffer (August 12, 1903 – July 20, 1976) was an American psychologist and a past president of the American Psychological Association (APA).
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