Konrad Lorenz was born on November 7, 1903, in Vienna, Austria, as the younger of two sons born to Adolf Lorenz and his wife and assistant, Emma Lecher. Lorenz's love of animals began outside of school, primarily at the family's summer home in Altenberg, Austria, and his interests became more grounded in science when he read about Charles Darwin's evolutionary theory at the age of 10. In 1922, Lorenz began premedical training at Columbia University in New York but returned early to Austria to continue the program at the University of Vienna. Despite his medical studies, Lorenz found time to informally study animals. He also kept a detailed diary of the activities of his pet bird Jock, a jackdaw. In 1927, his career as an animal behaviorist was launched when an ornithological journal printed his jackdaw diary. During the following year, he received an M.D. degree from the University of Vienna and...