National Museum of Nuclear Science & History
Rene Prestwood was an American nuclear chemist. Prestwood was recruited for the Manhattan Project as a young chemist from the University of California-Berkeley.
Hardleben worked at the 100-F Area at Hanford during the Manhattan Project.
A. S. Preston worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Riser worked at the 200 West Area at Hanford during the Manhattan Project.