National Museum of Nuclear Science & History
F. A. Lehmann worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Chappell worked in the United States Engineer District Office.
Robert Holmberg was born in Fort Dodge, Iowa, and began working on the Manhattan Project at the Chicago Met Lab and at Ames Laboratory in Iowa.
Edward Rauh worked for the Kellex Corporation at the K-25 Plant.
