National Museum of Nuclear Science & History
Jose E. Valdez was a staff worker at Los Alamos during the Manhattan Project.
Leo Seren (1918-2002) was an American physicist. Seren (in photo, first row standing, far right) was born on May 9, 1918.
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.
Attended Louisiana Polytechnic Institute.
