 Friedrich Erismann

Friedrich Huldreich Erismann, or Fyodor Fyodorovich Erismann (14 November 1842 - 13 November 1915) was a Swiss ophthalmologist and hygienist born in Gontenschwil, canton of Aargau.In 1867, Erismann earned his medical doctorate at the University of Zurich, subsequently furthering his studies in ophthalmology in Heidelberg, Vienna and Berlin.