National Museum of Nuclear Science & History
Ulysses Alley worked for the Fercleve Corporation.
Robert Lee Walker was an American physicist. Walker was born in 1919 in Saint Louis. He received a B.
James T. Hansen served in the 393rd Bombardment Squadron.
Helena Calloway was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.