National Museum of Nuclear Science & History
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.
Helen Schneider was a staff worker at Los Alamos during the Manhattan Project.
Margaret Newton worked for the Fercleve Corporation.
Pfeiff worked in the 200 West Area at Hanford during the Manhattan Project.
