National Museum of Nuclear Science & History
Nesheim worked at the 300 Area at Hanford during the Manhattan Project.
Crawford Greenewalt (1902-1993) was an American chemical engineer. He was one of the managers of the Manhattan Project for DuPont.
Charles Schallis (1898-1965) was a staff worker at Los Alamos during the Manahttan Project.
Hardleben worked at the 100-F Area at Hanford during the Manhattan Project.