Josef Ludvík František Ressel (in Czech) or Joseph Ludwig Franz Ressel or Josip Ressel (in Slovenian and Croatian) (June 29, 1793- October 9, 1857) was a Bohemian forest warden and the inventor of the ship's propeller. Ressel was born in Chrudim, Bohemia, and worked as a forest engineer in Motovun, Istria (modern-day Croatia). Wikipedia
J oseph Ludwig Franz (or Josef Ludvik Frantiek) Ressel was born in Austria on 29 June 1793 in the east Bohemian town of Chundrum (now Chrudim), east of the present Czech Republic. istrianet.org/istria/illustri/non-istrian/ressel/index.htm
The definitive Wikipedia entry for Josef Ressel. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Josef_Ressel