Jeff Dunham
Dunham was born in Dallas, Texas on April 18, 1962. When he was three months old, he was adopted by real estate appraiser Howard Dunham, and his homemaker wife Joyce, who raised him in a devoutly Presbyterian household in an affluent Dallas neighborhood, as an only child.
Jack Dunham (psychologist)
Dunham grew up in Albion, IL- a town in the southern part of Illinois. Dunham received his B.A. degree from Portland State College in 1962 and his PhD from the University of Southern California in 1966. He studied at USC with Dr. J.P. Guilford. In his doctorate, Dunham and Guilford worked with the concept of intelligence, and developing factor structures that compose this construct. Dunham accepted a position as a faculty member with University of Texas, Austin in Educational Psychology. At the University of Texas, Dunham ran a computer-assisted instruction laboratory and continued studying how we learn concepts.