National Museum of Nuclear Science & History
J. H. Neumann worked for the J.A. Jones Construction Company.
Menges was an Area Engineer and Area Supervisor at the Hanford Engineer Works. He was in the US Navy (USNR) until June of 1943 when he was injured in an explosion on his destroyer.
Nelson worked at the 200 West Area at Hanford during the Manhattan Project.
George W. Wescott served in the 509th Headquarters.