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.
Keplinger worked in the 100 D Area at Hanford during the Manhattan Project.
Ernest K. Clark served in the 1st Ordnance Squadron.
