National Museum of Nuclear Science & History
J. A. Speas worked for the J.A. Jones Construction Company.
Samuel King Allison was an American physicist. Allison was born in Chicago, in 1900. He studied at the University of Chicago, receiving a Ph.
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.
