National Museum of Nuclear Science & History
A. H. Barrett worked for the Kellex Corporation at the K-25 Plant.
Charles C. Lauritsen was a Danish-born American physicist. Lauritsen and his wife Sigrid and son Thomas emigrated to the United States in 1916.
Sara B. Chettkow was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
