S. W. Pratt

Leon Shechter

Mary V. Leonard

Leonard worked in the 300 Area at Hanford during the Manhattan Project.

Ellis P. Steinberg

Ellis Steinberg was an American Chemist. He was a junior chemist at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Edward J. Fredrick

Edward J. Fredrick was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.