National Museum of Nuclear Science & History
Grace Wallace worked for the United States Engineer District Office.
Charles C. Lauritsen was a Danish-born American physicist. Lauritsen and his wife Sigrid and son Thomas emigrated to the United States in 1916.
Winkelman worked for Stone and Webster Engineering Corporation.
L. L. Redfern worked for the J.A. Jones Construction Company.
Heinie worked for Stone and Webster Engineering Corporation.