National Museum of Nuclear Science & History
Springer worked at the 200 West Area at Hanford during the Manhattan Project.
Robert E. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Walter Pelton worked for the Kellex Corporation at the K-25 Pelton.
Matthew A. Guszak served in the 1395th Miliary Police Company, Aviation.