who is john l lewis
Alternative Title: John Llewellyn Lewis John L. Lewis, in full John Llewellyn Lewis, (born February 12, 1880, near Lucas, Iowa, U.S.âdied June 11, 1969, Washington, D.C.), American labour leader who was president of the United Mine Workers of America (1920â60) and chief founder and first president of the Congress of Industrial Organizations (CIO; 1936â40).