National Museum of Nuclear Science & History
Harper worked for Stone and Webster Engineering Corporation.
Norman F. Modine was a research assistant at the University of Chicago Met Lab. He was a signer of the Szilard petition.
Ralph R. Taylor, Jr. served as a major in the 393rd Bombardment Squadron. He was the commander of the B-29 Full House, which served as a weather reconnaissance plane on the Hiroshima bombing mission, and the backup strike plane on Iwo Jima on the Nagasaki mission.
Butler worked at the 300 Area at Hanford during the Manhattan Project.
