National Museum of Nuclear Science & History
Charles Mayberry worked for the United States Engineer District Office.
Warren worked at the 200 West Area at Hanford during the Manhattan Project.
M. A. Richtmyer worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Wickersham was a military policeman and guard at Los Alamos during the Manhattan Project. His duties included patrolling the perimeter of the site on horseback.
