Jerry Siegel co-created several characters that were originally drawn by comic book artists other than Joe Shuster. They were: THE SPECTRE with Bernard Bailey, THE STAR SPANGLED KID with Hal Sherman, RED, WHITE & BLUE with William Smith, ROBOTMAN with Leo Nowak and Paul Cassidy from his Cleveland Studio.
Web sites that were great resources for researching this episode topic were:
A great web site to see photos of the late Leo Nowak and samples of his art is http://entertainment.webshots.com/album/539155811UMfZaW .
Superman and all related characters are trademark and copyright DC Comics.
Thanks for listening to this episode of the SUPERMAN FAN PODCAST and, as always, thanks to Jerry Siegel and Joe Shuster.