John B. Watson
18781958
American psychologist who popularized behaviorism and conducted influential research on animal behavior, child rearing, and advertising
සිහිවටන 2 හමු විය
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පෙරහන යෙදූ ජීවිත හි සියල්ල බලන්න18781967
American writer and editor who won three Pulitzer Prizes for his poetry and biography of Abraham Lincoln, widely regarded as a major figure in contemporary literature
