National Museum of Nuclear Science & History
Lee Warren worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Kopanski worked at the 200 East Area at Hanford during the Manhattan Project.
Velva Irwin worked as a Calutron girl at the Y-12 Plant at Oak Ridge, TN. She was only 16 when she began working on the Manhattan Project.
Ercole E. Motta was a research assistant at the University of Chicago Met Lab. He studied ways to determine the boron content of uranium oxide.
Louella Simmons was a procurement and property worker at the Metallurgical Laboratory in Chicago during the Manhattan Project.
