National Museum of Nuclear Science & History
M. P. Covert worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Elsie Mae Freeman was born in Missouri in 1900. She graduated high school in Chicago. After graduating, Elsie was recruited to work in a lab at the University of Chicago in 1919.
Stanley G. Thompson was an American chemist responsible for the bismuth phosphate separation process used in the production of plutonium at the Hanford site during the Manhattan Project.
Helene Stark was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Arnold Kramish was a physicist in the Manhattan Project and a member of the Special Engineering Detachment (SED) at Oak Ridge, Tennessee, the Philadelphia Navy Yard, and Los Alamos.