Leo Dorfman (February 17, 1914[2] – July 9, 1974)[3] (also credited as Geoff Brown[4] and David George[5]) was an American writer of comic books throughout the Silver Age.

[10] Dorfman also modernized Jimmy Olsen, making him a more independent figure who solved crimes as "Mr. Action", with less help from Superman.

[11] Dorfman wrote World's Finest Comics #175 (May 1968) which featured Neal Adams' first Batman story.

One of Gold Key's editors at the time told Mark Evanier "Leo writes stories and then he decides whether he's going to sell them to DC [for Ghosts] or to us.

Editor and longtime friend Murray Boltinoff replaced Dorfman with Carl Wessler as the series' primary writer.