National Museum of Nuclear Science & History
Lawrence Sperry worked for the United States Engineer District Office.
Royal H. Mohr served as a staff sergeant in the 393rd Bombardment Squadron.
Chamberlain worked at the 300 Area at Hanford during the Manhattan Project.
William “Willie” H. Zachariasen was a physicist and consultant at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.