Cox, Elbert F., 1895-1969

found: American Mathematical Monthly, Feb. 2000:pp.105-128 (Elbert F. Cox; Elbert Frank Cox; b. 5 Dec. 1895 in Evansville, IN; d. 28 Nov. 1969 at Cafritz Memorial Hospital; born and raised in Evansville, IN; studied mathematics and physics at Indiana University 1913-1917; taught high school mathematics and physics in Henderson, KY; served in the Army 1918-1919; graduate student in mathematics at Cornell University 1922-1925, where, on 26 Sep. 1925, he became the first African-American at Cornell, in the US, and it is believed, in the world, to have earned a Ph.D. in mathematics; taught mathematics and physics at West Virginia State College 1925-1929, and Howard University 1929-1966 where he was head of the Department of Mathematics 1954-1961)

found: Cox, Elbert Frank. The polynomial solutions of the difference equation af(x+1) + bf(x), 1925(Elbert Frank Cox)