National Museum of Nuclear Science & History
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.
Sergeant James T. Harris was a member of the Special Engineer Detachment stationed at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Walsh worked for Stone and Webster Engineering Corporation.
