National Museum of Nuclear Science & History
Hayes worked in the United States Engineer District Office.
Herbert Silverstone was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Hugh Dunn worked for Hanley & Company.
Gordon Smith was a chemical engineer in the 9812th Technical Service Unit of the U. S. Army Corps of Engineers Special Engineer Detacment at the Clinton Engineer Works in Oak Ridge.
Jack Miller worked as a plant operator at Hanford. He began by working at the 300 Area under Leona Marshall, then switched to the 100 Area where he continued working for 33 years.
