National Museum of Nuclear Science & History
L. L. Kallestad worked for the United States Engineer District Office.
Arno Roensch joined the army in 1944. A glassblower, he was deployed to work at Los Alamos. He was married to Eleanor Roensch, also a Manhattan Project veteran.
Robert Leroy Platzman was a chemist at the University of Chicago Metallurgical Laboratory during World War II.
