Who were the founding members of id Software?

Context: id Software LLC is an American video game developer based in Richardson, Texas. It was founded on February 1, 1991, by four members of the computer company Softdisk: programmers John Carmack and John Romero, game designer Tom Hall, and artist Adrian Carmack.

Answer: The founding members of id Software were John Carmack, John Romero, Tom Hall, and Adrian Carmack.