National Museum of Nuclear Science & History
Bradford worked in the United States Engineer District Office.
J. M. Russell worked for the Roane-Anderson Company.
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.
Leandro Ortiz was a staff worker at Los Alamos during the Manhattan Project.
Harold Riley was an American chemical engineer. After graduating from North Carolina State College, Riley began his career working as a rayon technician at the DuPont Company.