レオンハルト・ラウヴォルフ
MaviBoncuk.blogspot.com has a short but detailed profile of Leonhard Rauwoff.
Rauwolff's 1582 travel narrative in 1693 English translation is downloadable at A Collection of Curious Travels & Voyages in two tomes, the first containing Dr. Leonhart Rauwolf's Itinerary into the eastern countries...., collection compiled by John Ray in 1693.
The 1583 German edition of Rauwolff's travel book is online at Ref.