 Created by Irving Vendig (qv), who had been writing the weekday  radio drama Perry Mason for CBS and Proctor and Gamble. The program  was originally intended to be a TV version of that radio drama, but  the rights were denied by Perry Masons creator,  Erle Stanley Gardner (qv), because the producers did not promise  that the characters of Perry Mason and Della Street would remain  romantically uninvolved.