National Museum of Nuclear Science & History
Fredrick “Fred” D. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
R. C. Wayland served in the 390th Air Service Group.
Albert Cahn, Jr. (1910-1978) was a junior physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
