National Museum of Nuclear Science & History
Frank Marisco worked for the H. K. Ferguson Company.
Charles Cooper was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
William “Willie” H. Zachariasen was a physicist and consultant at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Douglas Rouse worked for the United States Engineer District Office.
