Adam Olearius

Adam Olearius (born Adam Ölschläger or Oehlschlaeger, 24 September 159922 February 1671) was a German scholar, mathematician, geographer and librarian. He became secretary to the ambassador sent by Frederick III, Duke of Holstein-Gottorp, to the Shah of Safavid (Iran), and published two books about the events and observations during his travels. Provided by Wikipedia