John Henry: John Henry. Self: Da Ali G Show. John Henry was born on 11 March 1939 in Greenwich, London, England, UK. He died on 8 May 2007 in Hampstead, Camden, London, England, UK.
Known For: Da Ali G Show (Self(as Professor Jon Henry)), Short Circuit (Self - Medical Toxicology UnitSelf(as Dr. John Henry)), Equinox (Self - Consultant Physician, National Poisons UnitSelf - Cosultant Toxicologist, Guy's HopsitalSelf - St Mary's Hospital), The Cook Report (Self - National Poisons Unit(as Dr. John Henry))