National Museum of Nuclear Science & History
A. A. Nickman worked for the Kellex Corporation at the K-25 Plant.
Rollin L. Flanagin served in the 1st Ordnance Squadron.
William Steadman was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
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.
