December 25, 1949 on NBC Radio. Vincent Price stars. Crime and mystery novelist Leslie Charteris’ (1907-1993) famous detective Simon Templar was dubbed The Saint by the underworld, though he was hardly what the nickname implied. The story goes that he came by the name because of his initials, S. T.. Simon Templar dressed up as Santa Claus for a holiday party, is surprised by a young woman who points a gun at him in a case of mistaken identity. This begins our episode of the 19 Santa Clauses.