Martin Armstrong Martin (July 24, 1910 – April 27, 1963) was an American criminal and civil rights attorney from Danville, Virginia who became the first African American trial attorney in the United States Department of Justice on May 31, 1943. He also became known for his appellate work for Odell Waller in 1942 and the Martinsville Seven in 1950-1951, and as a partner with Oliver Hill and future federal judge Spottswood Robinson in a law firm which assisted the National Association for the Advancement of Colored People in civil rights litigation in Virginia.