National Museum of Nuclear Science & History
S. H. Hall worked for the Roane-Anderson Company.
H. T. Rogers worked for the J.A. Jones Construction Company.
John W. Calkin graduated from Columbia University in 1933. He then earned a Ph.D. in mathematics from Harvard.
Albert Cahn, Jr. (1910-1978) was a junior physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
