Don Butler is an authority on comic book history and collecting. He is best known for his work on the "Standard Catalog of Comic Books," a key resource for collectors and enthusiasts. Butler's writing provides detailed insights into the world of comics.
John Jackson Miller (born January 12, 1968) is an American science-fiction author, comic book writer, and commentator, known for his work on the Star Wars franchise and his research into comic book circulation history, as presented in the Standard Catalog of Comic Books series and the Comichron website.