National Museum of Nuclear Science & History
MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.
S. B. Gage worked for the Kellex Corporation at the K-25 Plant.
Victor Kumin was born on August 2, 1921 in Worcester, Massachusetts. He was the third child of Samuel Kumin and Clara Montwid, who had both come to the United States from Latvia as young children with their families.
Frey worked in the United States Engineer District Office.