old X-Men app.; Dr. Doom cover
David Emmett Cockrum was an American comics artist known for his co-creation of the new X-Men characters Nightcrawler, Storm, and Colossus as well as the antiheroine Black Cat. Cockrum was a prolific and inventive costume designer who updated the uniforms of the Legion of Super-Heroes. He did the same for the new X-Men and many of their antagonists in the 1970s and early 1980s.
Josef "Joe" Rubinstein is a comic book artist and inker, most associated with inking Marvel Comics' The Official Handbook of the Marvel Universe and the 1982 four-issue Wolverine miniseries by Chris Claremont and Frank Miller. He is also known to be the one to have given artist Art Adams his first professional work.