National Museum of Nuclear Science & History
Zen B. Portwood worked for the J.A. Jones Construction Company.
Hart worked at the 300 Area at Hanford during the Manhattan Project.
Julius Ashkin was an American physicist. Ashkin was born in Brooklyn, New York on August 23, 1920. He received a Ph.
J. H. Sterner worked for the Tennessee Eastman Corporation at the Y-12 Plant.
