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.
McCloud worked as a secretary at the Y-12 plant at Oak Ridge during the Manhattan Project.
Harold W. Kirby served in the 1st Ordnance Squadron.
