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.
William Dunham (mathematician)
William Wade Dunham (born 1947) is an American writer who was originally trained in topology but became interested in the history of mathematics and specializes in Leonhard Euler. He has received several awards for writing and teaching on this subject.