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American psychologist and social philosopher (1904–1990) who was the Edgar Pierce Professor of Psychology at Harvard University from 1958 until his retirement in 1974; contemporary academia considers Skinner a pioneer of modern behaviorism, along with John B. Watson and Ivan Pavlov. FDC with a cachet honoring writer and politician William Allen White, postmarked in 1948, signed in black ink by B. F. Skinner. In fine condition.
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