<P> He was sent to the Russian front in 1944 where he quickly became a prisoner of war in the Soviet Union from 1944 to 1948 . In captivity he continued to work as a medic and "got quite friendly with some Russians, mostly doctors". When he was repatriated, he was allowed to keep the manuscript of a book he had been writing, and his pet starling . He arrived back in Altenberg (his family home, near Vienna) both "with manuscript and bird intact ." The manuscript became his 1973 book Behind the Mirror . </P> <P> The Max Planck Society established the Lorenz Institute for Behavioral Physiology in Buldern, Germany, in 1950 . In his memoirs Lorenz described the chronology of his war years differently from what historians have been able to document after his death . He himself claimed that he was captured in 1942, where in reality he was only sent to the front and captured in 1944, leaving out entirely his involvement with the Poznań project . </P> <P> In 1958, Lorenz transferred to the Max Planck Institute for Behavioral Physiology in Seewiesen . He shared the 1973 Nobel Prize in Physiology or Medicine "for discoveries in individual and social behavior patterns" with two other important early ethologists, Nikolaas Tinbergen and Karl von Frisch . In 1969, he became the first recipient of the Prix mondial Cino Del Duca . </P> <P> Lorenz retired from the Max Planck Institute in 1973 but continued to research and publish from Altenberg and Grünau im Almtal in Austria . </P>

Won the nobel prize for the development of ethology
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