National Museum of Nuclear Science & History
James J. Hinchey served in the 393rd Bombardment Squadron.
Chalgren worked at the 200 West Area at Hanford 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.
Calkins worked at the 200 West Area at Hanford during the Manhattan Project.