Geoffrey Mark, Jazz singer, comedian, radio show host, show business historian, actor, producer and best-selling author Geoffrey Mark is marking his fiftieth anniversary in show business. Mr. Mark got started professionally when he was only fifteen, co-starring in "L'il Abner" at the Colony 7 Dinner Theater outside of Washington, D.C. Mr. Mark currently has his own radio show "Geoffrey Mark Plays Ella", and is finishing "The New Lucy Book" and his tell-all memoir, "The Devil was Born in Brooklyn". Through the years, Mr. Mark has starred off-Broadway in five productions, been a huge success in night clubs all over the world singing jazz and doing stand-up comedy, written and produced dozens of programs for cable TV, is the author of the best-selling tomes "The Lucy Book", "Ethel Merman: The Biggest Star on Broadway" and two books on Ella Fitzgerald. He is also the mighty proud recipient of an Emmy Award, as well as a Grammy Award nomination.