National Museum of Nuclear Science & History
Crossett worked for Stone and Webster Engineering Corporation.
Alan A. Jarrett was a research assistant the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Susan Zagaria was a laboratory technician in the health division at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
W. H. Longtin worked for the United States Engineer District Office.