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.
Bill Ginkel was born in Rochester, New York on August 14th, 1920. After graduating from Madison High School, Ginkel spent five years studying Chemical Engineering and Business at the University of Rochester, where he graduated in 1943.
Zen B. Portwood worked for the J.A. Jones Construction Company.
