National Museum of Nuclear Science & History
H. F. Jacobsen worked for the Union Carbide & Carbon Corporation.
Frank E. Keene was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
B. F. Marx worked for the United States Engineer District Office.
Robert Krohn was born in Milwaukee, Wisconsin December 26, 1919. He attended the University of Wisconsin and graduated from the Electrical Engineering School in June of 1942.
