National Museum of Nuclear Science & History
Winfield Sylvester was a staff worker at Los Alamos during the Manhattan Project.
H. C.Doran 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.
Frederick Roach served in the Army at Los Alamos during the Manhattan Project.