National Museum of Nuclear Science & History
John Smith 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.
P. E. Brooks worked for the Tennessee Eastman Corporation at the Y-12 Plant.
