National Museum of Nuclear Science & History
J. V. O’Connor worked for the Union Carbide & Carbon Corporation.
Martha G. Johnson was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Joel S. Canby served in the 509th Headquarters and Base Services Squadron.
Mehann worked in the 200 West Area at Hanford during the Manhattan Project.
