National Museum of Nuclear Science & History
Conrad Roescke was a staff worker at Los Alamos during the Manhattan Project.
Nicks worked at the 300 Area at Hanford during the Manhattan Project.
Helen E. Krinek was a research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ella Tyree was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
