National Museum of Nuclear Science & History
Ruska worked for Stone and Webster Engineering Corporation.
Adelaide Laws worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Alan Vorwald was a mathematician in the Special Engineer Detachment at Los Alamos. Vorwald was a part of the theoretical physics division under Hans Bethe and Richard Feynman, specializing in the computing department.
Robert Leroy Platzman was a chemist at the University of Chicago Metallurgical Laboratory during World War II.