National Museum of Nuclear Science & History
Robert Thompson was a staff worker at Los Alamos during the Manhattan Project.
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.
Wood worked at the 100-D Area at Hanford during the Manhattan Project.
George Royster was a civilian physicist working at the X-10 graphite reactor in Oak Ridge, Tennessee.