National Museum of Nuclear Science & History
Carl Neumann worked for the United States Engineer District Office.
Charles Schoder was a staff worker at Los Alamos during the Manhattan Project.
Mathias (“Matthew”) Antone Thennes was born in 1895. He served in WW1 with the 39th Division, 153rd Regiment, in France.
Zweifel worked at the 200 East Area at Hanford during the Manhattan Project.