National Museum of Nuclear Science & History
Ed Helfenberger worked for the Roane-Anderson Company.
Hubert P. Yockey is an American physicist who studied under J. Robert Oppenheimer at the University of California, Berkeley and worked with him during the Manhattan Project.
Theodore J. Neubert was a research associate in the graphite research section at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
