![](http://www.alamy.com/thumbs/6/F8F470B9-EC44-489C-8AE3-9F9A3E68C421/CR54B8.jpg)
Koller, Karl, - , US American ophthalmologist of Austrian origin, portrait, circa 1920,
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Photo credit: © INTERFOTO / Personalities / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1888, 1920s, 20th, american, austrian, century, doctor, emigree, karl, koller, male, man, men, ophthalmologist, origin, people, physician, portrait, usa