Brookhaven National Laboratory / cc
Otis Historical Archives... / cc
Life, 10 Feb 1947
National Library of Medicine
National Museum of Health... / cc
C. Huber/WHO/National Library of Medicine
Los Alamos National Laboratory / cc
Paul Almasy/WHO/ National Library of Medicine
Wikimedia Commons
Univercity of Virginia
Univercity of Minnesota
Museum of History and Industry
