National Museum of Nuclear Science & History
Smith worked at the 100-B Area at Hanford during the Manhattan Project.
H. M. Kolodkin worked for the Roane-Anderson Company.
John Nicklin worked for the United States Engineer District Office.
Howard Braasch was a laborer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
A. J. MacDonald worked for the Union Carbide & Carbon Corporation.