National Museum of Nuclear Science & History
Carroll Villincs was a guard at the Chicago Met Lab during the Manhattan Project.
Edward W. “Ed” Bailey worked as a chemical engineer at the K-25 plant at Oak Ridge during the Manhattan Project.
G. A. Nichols worked for the United States Engineer District Office.
Thomas Lanahan was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.