National Museum of Nuclear Science & History
R. F. Ridgeway worked for the Roane-Anderson Company.
Williamson worked at the 300 Area at Hanford during the Manhattan Project.
Frank Oppenheimer (1912-1985) was an American particle physicist. In 1941, Oppenheimer began work at the University of California Radiation Laboratory, where he was a group leader in uranium isotope separation under Ernest Lawrence.
Eugene DiSabatino (1922-2012) was a member of the Special Engineer Detachment at Los Alamos during the Manhattan Project.
