The subLOGIC Corporation is an American software development company. It was formed by Bruce Artwick when he was at the University of Illinois at Urbana-Champaign, and later incorporated by Stu Moment.
Artwick and Moment's ground breaking computer video graphics programs combined with interest in flying led to producing a very successful flight simulation, FS-1. It was then licensed by Microsoft, improved, and released as Microsoft Flight Simulator.
Read more about SubLOGIC: Company Flight Simulator Timeline, SubLOGIC Denouement