National Museum of Nuclear Science & History
Robert Krohn was born in Milwaukee, Wisconsin December 26, 1919. He attended the University of Wisconsin and graduated from the Electrical Engineering School in June of 1942.
Leon Leventhal was a nuclear chemist and radiation expert who worked at Oak Ridge, the University of Chicago’s Met Lab, and Los Alamos Laboratory during the Manhattan Project.
Margaret Rand was a research assistant in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.