National Museum of Nuclear Science & History
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.
L. M. Leach worked for the Tennessee Eastman Corporation at the Y-12 Plant.
James T. Holland worked for the Tennessee Eastman Corporation from June 1945 – September 1945 as a Beta machine mechanic in the Y-12 Plant, working in building 9204-3.