Holzknecht, Guido, - , Austrian physician and pioneer in the field of radiology, portrait, circa 1920,

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Photo credit: © INTERFOTO / Personalities / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -ray, 1920s, 20th, austrian, century, doctor, field, guido, holzknecht, male, man, men, oval, people, physician, pioneer, radiologist