Jon MacLellan is best known for his time while working for an American video game development company founded in what year?
Epic Games:  Founded in 1991, it is best known for the development of Unreal Engine technology, which has powered its in-house "Unreal", "Gears of War" and "Infinity Blade" series as well as many other games, and has been awarded by Guinness World Records as the "most successful video game engine".
i don't know