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Who is famous for saying, “Give me a dozen healthy infants, well-formed, and my own specified world to bring them up in and guarantee to take any one at random and train him to become any type of specialist I might select – doctor, lawyer, artist, merchant-chief and, yes, even beggar-man and thief, regardless of his talents, penchants, tendencies, abilities, vocations, and race of his ancestors".
Who is John Watson