National Museum of Nuclear Science & History
Ostdahl worked in the 200 West Area at Hanford during the Manhattan Project.
Ralph Alexander Gardner-Chavis (1922-) is a chemist and pioneer of hard plastics who worked at the University of Chicago’s Met Lab during the Manhattan Project.
Roger Hildebrand is an American physicist and Manhattan Project veteran. He is the S.K. Allison Distinguished Service Professor, Emeritus, at the University of Chicago and is affiliated with the Enrico Fermi Institute.