National Museum of Nuclear Science & History
J. C. Blackwood worked for the Fercleve Corporation.
Charles C. Lauritsen was a Danish-born American physicist. Lauritsen and his wife Sigrid and son Thomas emigrated to the United States in 1916.
Frank Watson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
M. E. Ridge worked for the United States Engineer District Office.
