National Museum of Nuclear Science & History
Marie Sperling was a staff worker at Los Alamos during the Manhattan Project.
H. F. Olin served in the 390th Air Service Group.
Robert Fortenberry worked as a security guard and protected bomb components at Los Alamos during the war.
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.
