National Museum of Nuclear Science & History
Mary Alice Nachtrieb was a chemist who worked at Los Alamos during the Manhattan Project. Her speciality was in plutonium chemitsry.
M. E. Ridge 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.
