Jim Sullivan
Jim Sullivan is an American firearms inventor who helped design the AR-15. He also contributed to the Ruger M77 rifle, and the M16, Stoner 63, and Ruger Mini-14 rifles, and is largely responsible for the Ultimax 100 light machine gun.
AR-15 Inventor Says HBO Grossly Distorted His Views On Guns

A recent anti-gun segment on ‘Real Sports with Bryant Gumbel’ didn’t lie about what I said, it just omitted key parts, which changed the meaning.