National Museum of Nuclear Science & History
R. F. Perkins worked for the Union Carbide & Carbon Corporation.
Cansler worked in the United States Engineer District Office.
Thomas L. Heddy served in the 320th Troop Carrier Squadron.
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.
