National Museum of Nuclear Science & History
Ruby Palen worked for the United States Engineer District Office.
Joseph Levinger was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ida Cunningham was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Kenyon Jones worked for the United States Engineer District Office.
