National Museum of Nuclear Science & History
Ruth Langley worked for the United States Engineer District Office.
Walker worked at the 100-F Area at Hanford during the Manhattan Project.
J. J. McPeake worked for the H. K. Ferguson Company.
Gus Schultz was the foreman of the drafting room and machine shop (Shop Group) at Los Alamos during the Manhattan Project.
Arnold graduated from Northwestern University in 1941 with a B.S. degree in Biology and a minor in Chemistry.