Original: John Devon Roland Pertwee ( 7 July 1919GRO Register of Births : SEP 1919 1a 132 KENSINGTON -- John D. R. Pertwee , mmn = Scholts -- 20 May 1996 ) , better known as Jon Pertwee , was an English actor .
Simplified: John Devon Roland Pertwee ( July 7 , 1919 -- May 20 , 1996 ) , better known as Jon Pertwee , was an English actor .