National Museum of Nuclear Science & History
Felix Sandoval was a staff worker at Los Alamos during the Manhattan Project.
Frank E. Snyder served in the 393rd Bombardment Squadron.
John Mihalkanin was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
A member of the Special Engineer Detachment of the U.S. Army, Ray Stein participated in the Manhattan Project at Oak Ridge and was assigned to the Y-12 Plant.
