From the Traveller RPG Wiki on wikia.com:
Steven S. Crompton has been doing graphics & illustration for Flying Buffalo since 1981. His most notable work for Flying Buffalo has been the Grimtooth's Traps books (all seven) and the card artwork for all of the Nuclear War sequel card games. He also has art in MAPS, Lejentia Campaigns, 3 T&T solos and many other books, cards, games and items from Flying Buffalo. Some of the other game companies that have published his work include Fantasy Games Unlimited, FASA, Steve Jackson Games, Game Designers Workshop, RSI, Presedence Games and many other smaller companies.
Besides Flying Buffalo, Steven has spent a lot of his time working in the comic book field. His main accomplishments in this field include Elves of Lejentia, Demi the Demoness and Pantheon series. He has also inked or drawn numerous other comics for a variety of publishers.