 The history of The Seeing Eye began in Europe in the 1920s when Dorothy Harrison Eustis moved to Vevey, Switzerland, from the United States to set up a breeding and training facility for German shepherds.Eustis bred and trained police dogs to be intelligent, strong, and responsible.Elliott S. "Jack" Humphrey was an American trainer and geneticist who helped Eustis train and develop their own scientific approach to breeding and training.