National Museum of Nuclear Science & History
J. V. O’Connor worked for the Union Carbide & Carbon Corporation.
O. H. Peters served in the 390th Air Service Group.
Wilbur E. Davis worked at the 200 West Area at Hanford during the Manhattan Project.
Leonard Krouldis was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John Brill was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
