National Museum of Nuclear Science & History
Harold Smith worked for the Kellex Corporation at the K-25 Plant.
Walter S. Marsh was born in Suffern, NY in July 1919 to Archibald & Amelia Marsh. He married his wife Alice (Perry) Marsh in approx.
Ethel Loftis worked for the United States Engineer District Office.
Daniel J. Keefe was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.