Richard "Dick" Giordano was an American comics artist and editor whose long and prosperous career included introducing Charlton Comics' "Action Heroes" stable of superheroes and serving as executive editor of DC Comics. He worked on a wide range of titles over the years, including Batman, Green Lantern/Green Arrow, Teen Titans, Aquaman, Wonder Woman, Action Comics among countless others. His style was very much in the Neal Adams mold, making him a popular go-to artist in the 70s and 80s.
Cowan gained prominence as the primary artist on The Question, a comic book series written by Dennis O'Neil. His other comics credits include the Batman story arc "Blind Justice" in Detective Comics #598–600. Cowan was the penciller on the latter half of the 1990 Deathlok miniseries, published by Marvel Comics.