 Erich Klinghammer was appointed assistant professor at the University of Chicago in 1965, lecturing on ethology and animal psychology.In 1968, he transferred to the Department of Psychological Sciences at Purdue University to hold the position of associate professor, continuing his pioneering study on wolf pack dynamics and social behaviour, including early analyses of wolf howls and developing the techniques of socialization for wildlife in captivity.His property developed into a wolf research and education facility eventually named Wolf Park, officially founded in 1972 with him as director.