Friedrich Ris
Encyclopedia
Friedrich Ris was a Swiss
Switzerland
Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....

 physician
Physician
A physician is a health care provider who practices the profession of medicine, which is concerned with promoting, maintaining or restoring human health through the study, diagnosis, and treatment of disease, injury and other physical and mental impairments...

 and entomologist who specialised in Odonata
Odonata
Odonata is an order of insects, encompassing dragonflies and damselflies . The word dragonfly is also sometimes used to refer to all Odonata, but the back-formation odonate is a more correct English name for the group as a whole...

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He was Director of a psychiatric clinic in Rheinau, Switzerland
Rheinau, Switzerland
Rheinau is a municipality in the district of Andelfingen in the Canton of Zürich in Switzerland. It is located at a bend of the Rhine River which forms the Swiss-German border in this area. A bridge links Rheinau to Altenburg, in Jestetten municipality, Baden-Wurttemberg state.-Geography:Rheinau...

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