Mark Gruenwald

Mark Gruenwald (1953-1996) was an American comics writer and editor, and one of the defining figures of Marvel in the 1980s and 1990s. He joined the company in 1978 and became an executive editor. He wrote Captain America for ten years, from 1985 to 1995, as well as Quasar and D.P.7, and the twelve-issue Squadron Supreme, generally regarded as his major work. He created and wrote most of The Official Handbook of the Marvel Universe, the reference work that fixed the continuity of the whole line.