National Museum of Nuclear Science & History
Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Baldridge worked in the 100 B Area at Hanford during the Manhattan Project.
J. P. Valliant worked for the Union Carbide & Carbon 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.
