Career
He has written and produced for a number of television series throughout his career varying different genres namely, The Cosby Show, A Different World, M*A*South*H, Maude, Good Times, Home Improvement, Roots: The Next Generations, Judging Amy and among other series. In 1978, a Sesame Street character was named after him named Doctor Thad in the recurring skit, "Doctor Thad and the Medications", Mumford also performed the voice for the character. As a youngster, Mumford also gained some renown working as a batboy for the New York Yankees.