From the 1920s to the 1950s, behavioral psychology dominated much of psychological thought, but the cognitive revolution of the 1950s revealed cracks in the theories of the radical behaviorists, and cognitive psychology eventually managed to gain the upper hand.
Top 10 Heavyweight Contenders. 1  Deontay Wilder â Wilder jumped to the number 1 contender position following his step up win against Bermane Stiverne. 2  While it cost him his all-KO streak, proving he could win a fight over the 12-round distance after never going past 4 rounds was an even bigger statement.
Slow of foot but redeemingly fast of hands, Joe Louis dominated heavyweight boxing from 1937 to 1948. As world champion he defended his title 25 times, facing all challengers and fighting the best that the countries of the world could offer.