National Museum of Nuclear Science & History
Calvin G. Siegle served in the 1027th Air Material Squadron.
Walter Groeger worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Hugo Griep served in the 1395th Military Police Company, Aviation.
Harold N. Saunders served in the First Ordnance Squadron.
C. E. McGill, Sr. worked for the Kellex Corporation at the K-25 Plant.