National Museum of Nuclear Science & History
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.
B. Roswell Russell worked at the Metallurgical Laboratory in Chicago during the Manhattan Project. He was one of seventy signers of the Szilard Petition.
