National Museum of Nuclear Science & History
R. H. Raus worked for the Union Carbide & Carbon Corporation.
Casmer Lesnioski worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John William Healy (1920-2001) worked in the field of radiation safety at Hanford during the Manhattan Project and at Los Alamos National Laboratory.
John W. Calkin graduated from Columbia University in 1933. He then earned a Ph.D. in mathematics from Harvard.