Friedrich Erismann
Friedrich Huldreich Erismann, or Fyodor Fyodorovich Erismann was a Swiss ophthalmologist and hygienist born in Gontenschwil, canton of Aargau.
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Source: Wikipedia
Friedrich Huldreich Erismann, or Fyodor Fyodorovich Erismann was a Swiss ophthalmologist and hygienist born in Gontenschwil, canton of Aargau.
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Source: Wikipedia