Joe Kennedy? Jesse Livermore? John D. Rockefeller? Bernard Baruch? I think it was one of those 1930's guys.
Google: Another legendary contrarian was Humphrey B. Neill whose book âThe Art of Contrary Thinkingâ, published in 1954, helped popularise this strategy for investment. He too observed that âwhen everyone thinks alike, everyone is likely to be wrongâ, and promoted the practice of âthrowing your mind into directions which are opposite to the obviousâ. Neill provided much practical advice on how, and importantly when, to apply contrary thinking. He was happy to admit that the public is right more of the time than not and concluded that âthe crowd is right during the trends but wrong at both endsâ.