National Museum of Nuclear Science & History
Charles K. Krause was a consultant for the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Kay Tracy was Arthur Compton’s secretary at the Metallurgical Laboratory in Chicago during the Manhattan Project.
John J. Norton was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
L. L. Long worked for the William A. Pope Company.
