National Museum of Nuclear Science & History
J. T. Holloway worked for the United States Engineer District Office.
Francis J. McGurrin served in the 393rd Bombardment Squadron.
Philipp Klein was a part-time switchboard operator in the SAM Lab while studying chemical engineering at Columbia University.
Daniel N. Koshland was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
