National Museum of Nuclear Science & History
G. A. Nichols worked for the United States Engineer District Office.
M. M. Marshall worked for the Roane-Anderson Company.
Warren Sheehan joined Mound Laboratory in April 1956. He spent the first half of his career in health physics, or radiation safety, where he developed a new methodology for determining the amount of plutonium in urine.
John W. Burr was a research assistant in the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.