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.
Dunham Jackson
Dunham Jackson (July 24, 1888 in Bridgewater, Massachusetts – November 6, 1946) was a mathematician who worked within approximation theory, notably with trigonometrical and orthogonal polynomials. He is known for Jackson's inequality. He was awarded the Chauvenet Prize in 1935. His book "Fourier Series and Orthogonal Polynomials" (dated 1941) was reprinted in 2004.