Watson advised parents to be extremely strict, distant and objective in their relationship with their children, even writing, "never hug and kiss them, never let them sit on your lap." his theory fell from favor with the widespread publication of whose book?

Benjamin Spock

Explanation:

           Benjamin McLane Spock was a prominent writer and an American pediatrician. He wrote one of the best selling and famous book named, "Baby and Child Care" in the year 1946.

          He is a strong believer of intuitive parenting. And he teaches the mothers to believe that they know more than they think they do. He has contributed a lot  to parenting in his career.

         He is often believed to have a "love and hate" relation with the parenting society. His ideas about parenting were accepted by many but others criticized him for his theories.

Thus the answer is

Benjamin Spock

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