National Museum of Nuclear Science & History
J. K. Shamsey worked for the Union Carbide & Carbon Corporation.
Robert Holmberg was born in Fort Dodge, Iowa, and began working on the Manhattan Project at the Chicago Met Lab and at Ames Laboratory in Iowa.
Wisner worked for Stone and Webster Engineering Corporation.
Edward Czuba was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Brackett worked in the United States Engineer District Office.