Jeff Dunham
Jeffrey Dunham (born April 18, 1962) is an American ventriloquist and comedian who has also appeared on numerous television shows, including "Late Show with David Letterman", "Comedy Central Presents", "The Tonight Show" and "Sonny With a Chance". He has six specials that run on Comedy Central: "", "", "Jeff Dunham's Very Special Christmas Special", "", "", and "". Dunham also starred in "The Jeff Dunham Show", a series on the network in 2009.
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.