National Museum of Nuclear Science & History
Clarence H. Mathews was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Julie Langham Grilly was a laboratory technician at the Los Alamos Laboratory in New Mexico. She was married to Dr.
Fiedler worked in the United States Engineer District Office.
G. E. McLachlan served in the 390th Air Service Group.
