From the Traveller RPG Wiki on wikia.com and wikipedia
Jeff Dee (born May 15, 1961) is an American artist and game designer who has worked in the gaming industry since 1979. His artwork has appeared in numerous games and magazines, including TSR's Deities and Demigods (as well as many early AD&D modules and other early TSR products), Villains & Vigilantes from Fantasy Games Unlimited, adventures for the Star Wars RPG from West End Games, and others. He's the co-designer of FGU's superhero RPG Villains & Vigilantes and also of TWERPS (The World's Easiest Role-Playing System) from Gamescience. He co-designed Quicksilver and designed WarChest for UNIgames, and is working on Living Legends, a sequel to Villains & Vigilantes.