What award was received by two of the individuals whose traditions shaped the so-called classical ethology represented by Gerard Baerends?
Gerard Baerends: Gerardus Pieter Baerends (30 March 1916, The Hague – 1 September 1999, Groningen) was a Dutch biologist and one of the most important representatives of the so-called classical ethology in the tradition of Nikolaas Tinbergen and Konrad Lorenz. Konrad Lorenz: Konrad Zacharias Lorenz (] ; 7 November 1903 – 27 February 1989) was an Austrian zoologist, ethologist, and ornithologist. Konrad Lorenz:  He shared the 1973 Nobel Prize in Physiology or Medicine with Nikolaas Tinbergen and Karl von Frisch.
1973 Nobel Prize in Physiology or Medicine