John Broadus Watson

The most radical critics believed that even John Broadus Watson, the founder of behaviourism, had conceded too much to instinct by allowing that a small number of links between simple stimuli and responses were inborn

The Distinction Between Innate and Acquired Characteristics Griffiths, Paul 2009

The behaviorists, of whom the American psychologist John Broadus Watson was most prominent, tended to view all learning in the light of conditioned reflexes.

The Human Brain Asimov, Isaac 1963