National Museum of Nuclear Science & History
Lester Coleman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Joseph H. Heartberg was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Alan N. Ayers was a staff member at Los Alamos during the Manhattan Project.
Joseph S. Busang served in the 320th Troop Carrier Squadron.
