Jules Janssen (1824-1907): from ophthalmology to astronomy.
Amalric
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Centre Médical Ophtalmologique, Albi, France.
D001256:Astronomy / Q000266:history*; D005602:France; D049672:History, 19th Century; D049673:History, 20th Century; D009885:Ophthalmology / Q000266:history* / Q000295:instrumentation