Instructions Full Game: These are multiple-choice quizzes with four possible answer choices that include all questions in a given set.     
Identify the following philosopher:

(1904-1990) American psychologist, behaviorist, and social philosopher. Considered free will an illusion and human action dependent on consequences of previous actions. Professor at Harvard from 1958 to 1974.
Peter Unger
John von Neumann
John Stuart Mill
B. F. Skinner