(1912–2005), African-American lawyer from Chicago; member of executive committee, Chicago Branch, NAACP; assistant to Judge William H. Hastie, civilian aide to the U.S. secretary of war (1940–43); succeeded Judge Hastie in February 1943 and served to November 1945. In 1944, as a member of the War Department’s Advisory Committee on Negro Troop Policies, Gibson met with Walter White to discuss criticisms and recommendations in his two reports on black troops in the European Theater and the North African Theater of Operations. He was later member of Truman’s Advisory Committee on Universal Military Training (1946); winner in 1947 of Medal of Merit Award for Civilians; boxing manager and promoter and director and secretary of Joe Louis Enterprises. He returned to private practice in Chicago (1960s). Mitchell criticized him for obstructing some FEPC initiatives.