TSR
RPG company
TSR, Inc. was an American game publishing company, best known as the original publisher of Dungeons & Dragons. Its earliest incarnation, Tactical Studies Rules, was founded in October 1973 by Gary Gygax and Don Kaye. Wikipedia
Founders: Gary Gygax and Don Kaye
Founded: 1973, Lake Geneva, WI
Video games: Theseus and the Minotaur, Dungeon!, and The Vanishing Investigator
Successor: Wizards of the Coast
Headquarters: Hauppauge, NY