Stewart Birrell Iglehart was a rancher, ice hockey and polo player. He was born in Valparaíso, Chile but moved to the United States at a young age. As a child he learned to play both ice hockey and polo. While in prep school he was offered a professional ice hockey contract but declined. Following prep school he attended Yale University, where he continued to play ice hockey and polo. He became one of the best defensemen in college hockey and was selected to play in two different Winter Olympics. Iglehart did not attend either. In 1933 he played for Team USA at the World Ice Hockey Championships, winning a gold medal. Following the tournament he continued to play amateur hockey, but quit to concentrate on polo.