National Museum of Nuclear Science & History
Rachel Sanchez was a staff worker at Los Alamos during the Manhattan Project.
Seth I. Smith served in the First Ordnance Squadron.
Earl R. Nunnemaker served in the 393rd Bombardment Squadron.
Joanna Brumfiel was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Charles C. Lauritsen was a Danish-born American physicist. Lauritsen and his wife Sigrid and son Thomas emigrated to the United States in 1916.