National Museum of Nuclear Science & History
Angell worked at the 100 F Area at Hanford during the Manhattan Project.
Ira Jones worked for the United States Engineer District Office.
August “Gus” Knuth was a millwright and carpenter who helped construct Chicago Pile-1. He was present on December 2, 1942 when the pile went critical in the first self-sustaining chain reaction in history.
Fred Vaslow, a physical chemist, began working on the Manhattan Project while a graduate student at the University of Chicago.