National Museum of Nuclear Science & History
Arnold graduated from Northwestern University in 1941 with a B.S. degree in Biology and a minor in Chemistry.
Frederick Trapnell was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
William Bunnell served at Los Alamos after the war from 1946 to 1948. He was a security guard and a member of the Military Police located at Los Alamos.
Murphy worked for Stone and Webster Engineering Corporation.
