With great pride "Kieferorthopädie" presents the first part of a series of articles on the topic "Orthodontics and dento-facial orthopedics - Past, present and future" prepared by Coenraad F. A. Moorrees, Professor Emeritus, Harvard School of Dental Medicine who is one of the "gran' ole men" in scientific as well as in clinical orthodontics. Overall, these publications give a comprehensive overview about all aspects of orthodontia. The following text will discuss the development of our specialty from its beginning up to modern fixed labial appliances. Palabras clave: Orthodontic history, facial proportions, bite jumping appliances, extraction therapy, edgewise appliance