Mark Wayne Clark (May 1, 1896 – April 17, 1984) was a senior American general during World War II and the Korean War and was the youngest lieutenant general (three-star general) in the United States Army.During World War I, he commanded a company of soldiers in 1917 and was seriously wounded by shrapnel. After the war, Clark’s abilities were noticed by future U.S. Army Chief of Staff George Marshall. During World War II, he commanded the U.S.