National Museum of Nuclear Science & History
Luis Romero was a staff worker at Los Alamos during the Manhattan Project.
Dorothea Lisle was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
See worked for Stone and Webster Engineering Corporation.
Henry Fritz was a chemist in the Special Engineering Detachment assigned to the K-25 Plant in Oak Ridge, Tennesee.