Karl Ritter von Frisch ( 20 November 1886 â `` 12 June 1982 ) was an Austrian ethologist who received the Nobel Prize in Physiology or Medicine in 1973 , jointly with Niko Tinbergen and Konrad Lorenz .
Karl Ritter von Frisch ( 20 November 1886 - 12 June 1982 ) was an Austrian ethologist who received the Nobel Prize in Physiology or Medicine in 1973 , along with Nikolaas Tinbergen and Konrad Lorenz .