Julius Caesar | Otto von Bismarck | Pope Julius II | Otto | Otto III | Otto Piene | Otto I, Holy Roman Emperor | Otto I | William Julius Wilson | Julius Caesar (play) | Otto Preminger | Julius Rudel | Otto II | Otto Dix | Otto Natzler | Otto II, Holy Roman Emperor | Otto Binder | John Julius Angerstein | Otto Skorzeny | Otto Schenk | Otto of Brunswick | Otto Kerner, Jr. | Julius Francis | Julius | Otto Steinbrinck | Otto Kerner | Otto IV, Holy Roman Emperor | Otto IV | Otto III, Holy Roman Emperor | Otto Braun |
Numerous notable astronomers worked or trained at the site, including Franz Brünnow, Cleveland Abbe, James Craig Watson, Asaph Hall, Otto Julius Klotz, Robert Simpson Woodward, and John Martin Schaeberle.