Game 1: Edward D. Stone (He signed in only as ""E.D.S."" to avoid name recognition.) - ""Architect, Designed U.S. Pavilion for Brussels World's Fair"" Game 2: Florence Martin - ""Pajama Model"" (from Chicago, Illinois) Game 3: Althea Gibson (as Mystery Guest) Won Wimbledon Twice Game 4: John Dailey - ""Harness Race Horse Driver"" (from Albany, New York; John Daly jokingly says ""Henry Smith"" while the contestant is signing in; John Dailey is also a lawyer)