Irenäus Eibl-Eibesfeldt (Born June 15, 1928) is founder of the field of human ethology. In authoring the book which bears that title, he applied ethology to humans by studying them in a perspective more common to volumes studying animal behavior._x000D_

Born in Vienna, Austria, Eibl-Eibesfeldt studied Zoology at the University of Vienna 1945-1949. From 1946 to 1948 he was research associate at the Biological Station Wilhelminenberg near Vienna and became research associate of the Institute for Comparative Behavior Studies in Altenberg near Vienna with Konrad Lorenz in 1949. 1951 to 1969 he worked at the Max Planck Institute for Behavioral Physiology (first in Westphalia, from 1957 at Seewiesen, Bavaria). 1970 he became Professor for Zoology at the University of Munich. Since 1975 he is the head of the Max Planck Institute for Behavioral Physiology, Department of Human Ethology in Andechs, Germany. He was the co-founder and first president of the International Society for Human Ethology. Since 1992 he is Honorary Director of the Ludwig-Boltzmann-Institute for Urban Ethology in Vienna.