Konrad Lorenz held his Nobel Lecture on 12 December 1973, at the Karolinska Hospital, Stockholm. He was presented by Professor Börje Cronholm, Member of the Nobel Committee for Physiology or Medicine.
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Copyright © The Nobel Foundation 1973
From Nobel Lectures, Physiology or Medicine 1971-1980, Editor Jan Lindsten, World Scientific Publishing Co., Singapore, 1992
"for his discoveries concerning the functional specialization of the cerebral hemispheres"
"for their discoveries concerning the genetic control of early embryonic development"
"for his discoveries concerning the role played by the chromosome in heredity"