Harry Jack Gray (November 18, 1919 – July 8, 2009) was an American business manager and philanthropist, best known as CEO and chairman of United Technologies. He was born Harry Jack Grusin in Milledgeville Crossroads, Georgia. His mother, Bertha Grusin, died of cancer when he was six years old. He went to live with his older sister, Gussie, in Chicago, Illinois. His father's business failed when he was eight, and he financed his college education at the University of Illinois with multiple jobs that included washing dishes, waiting tables, and stoking a boarding-house furnace.