National Museum of Nuclear Science & History
Mary Shipley worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Leahy worked for the United States Engineer District Office.
Henry Fritz was a chemist in the Special Engineering Detachment assigned to the K-25 Plant in Oak Ridge, Tennesee.
Francis L. Friedman was a theoretical physicist and group leader at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.