J Michael Straczynski

From wikipedia

Joseph Michael Straczynski (born July 17, 1954) is an award-winning American writer/producer of television series, novels, short stories, comic books, and radio dramas. He is also a playwright, journalist and author of a well-regarded tome on scriptwriting. He was the creator, executive producer and head writer for the science fiction TV series Babylon 5 and Crusade. Straczynski wrote most of the Babylon 5 episodes, notably an unbroken 59-episode run including all of the third and fourth seasons. He is also a participant in Usenet and other early computer networks, interacting with fans through various online forums (including GEnie, CompuServe, and America Online) since 1985.

aka JMS, or “Joe”