National Museum of Nuclear Science & History
Langworthy worked in the 100 D Area at Hanford during the Manhattan Project.
James A. Beatson served in the 1st Ordnance Squadron.
C. H. Hemmel, Jr. served in the 390th Air Service Group.
Walter Groeger worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
