Swan was a house artist at DC working on titles like Tommy Tomorrow, he began gravitating towards Superman and his related books, Superboy, World's Finest and Jimmy Olsen, he would eventually leave DC thanks to his personality issue with Editor In Chief Mort Weisinger. He would eventually return and go on to be the artist that defined the look of Superman in the Silver Age, eventually becoming the editor of the title, but after thirty years of keeping up standards of all things Superman, Swan was given the boot in favor of John Byrne's Superman reboot, Swan's comic work began to taper off after this dismissal and he eventually retired, but will forever be recognized as the Silver Age Superman's finest artist.
Richard "Dick" Dillin was an American comics artist best known for a 12-year run as the penciler of the DC Comics superhero-team series Justice League of America. He drew 115 issues from 1968 until his death in 1980.
José Luis García-López is a Spanish-Argentine comics artist who works in the United States, particularly in a long-running relationship with DC Comics. In addition to his storytelling art, he has been responsible for producing the official reference art for characters in the DC Comics Style Guide, as used in licensed merchandise.