National Museum of Nuclear Science & History
Richard Strickland was a staff worker at Los Alamos 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.
George Maronde was a security guard at the University of Chicago Metallurgical Lab. He stood guard outside Stagg Field when Chicago Pile-1 went critical on December 2, 1942.
Eugene H. Krause served in the 320th Troop Carrier Squadron.