Who was Hogan's Caddie in 1950 US OPEN?

In the 1950 U.S. Open, Ben Hogan's caddie was his longtime friend and assistant, John "Shack" McGowan. McGowan played a crucial role in Hogan's success during the tournament, which Hogan won, marking a significant comeback after his near-fatal car accident in 1949. Their partnership was characterized by mutual respect and a shared commitment to the game.