National Museum of Nuclear Science & History
Eva Roberts was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Harry Stephon was a gruard and sergeant in the U.S. Army at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Arthur Buck was a security guard for the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.
H. W. Dube served in the 390th Air Service Group.