Named in memory of Konrad Zacharias Lorenz (1903–1989), Austrian ethologist, who established the field of ethology, the basic concept of which is that animal behavior is genetically programmed. He shared the 1973 Nobel Prize for Physiology and Medicine with Nikolaas Tinbergen and Karl von Frisch for their work on animal behavior and its impact on the understanding of human nature. (M 20520) _ _.