Thomas H. Fithian

Clifford E. Owrey

James P. Systma

Roger Hultgren

Minnesota native Roger Hultgren worked for the DuPont Company as a chemist during the early 1940s, initally assigned to the Jolliet, Illinois munitions plans.

Majorie Feltz

Majorie Feltz helped with clerical tasks at Los Alamos, including on the facility's supply records and cardex system in 1946.