National Museum of Nuclear Science & History
Spencer Thomas worked for the United States Engineer District Office.
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.
Lee Romero was a staff worker at Los Alamos during the Manhattan Project.
George Moulton was an American chemical metallurgist. After receiving his bachelor’s degree in chemistry from Drury College, he began conducting research on radioactive metals at Iowa State.