National Museum of Nuclear Science & History
J. Powell worked for the Union Carbide & Carbon Corporation.
Wagner worked at the 200 West Area at Hanford during the Manhattan Project.
Robert B. Duffield was a Researcher at the Los Alamos National Laboratory from 1943 to 1946. He later worked at the Argonne National Lab.
Before the war Oswald Greager was a high-ranking DuPont chemist. He took leave from DuPont in 1942 to join the Army's Chemical Warfare Service.
