National Museum of Nuclear Science & History
Melvin Bengston was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Virgil Harris worked on the Manhattan Project at Los Alamos. After the war, he worked for Sandia National Laboratories.
Joseph worked at the 300 Area at Hanford during the Manhattan Project.
R. H. Davis worked at the 100-F Area at Hanford during the Manhattan Project.