Fans of I Love Lucy remember Jerry Hausner (1909-1993) as Ricky Ricardo's agent, but his career stretched across nearly every medium of American entertainment. Born James Bernard Hausner, he played Sammy Schmaltz on Broadway in Queer People (1934) and worked stock theater and vaudeville before entering radio at WJAY in Cleveland, becoming a regular on Blondie, The Judy Canova Show and The Jim Back…