National Museum of Nuclear Science & History
B. D. Ferguson worked for the Kellex Corporation at the K-25 Plant.
Sieck worked at the 200 East Area at Hanford during the Manhattan Project.
George Maronde was a security guard at the University of Chicago Metallurgical Lab. He stood guard outside Stagg Field when Chicago Pile-1 went critical on December 2, 1942.
A. V. Henrickson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
