National Museum of Nuclear Science & History
Phelps worked in the 100 F Area at Hanford during the Manhattan Project.
James C. Hobbs was an American inventor and engineer who created a key part of the valves used in the K-25 gaseous diffusion plant in Oak Ridge, TN.
Anita Lieberman Katz was a clerk who worked on the Manhattan Project from May 1943 to January 1946. She was born in New York City in 1920 and graduated from Hunter College.
