Winfried Otto Schumann (1888–1974), German physicist who predicted the Schumann resonance
Otto von Bismarck | Robert Schumann | Schumann | Otto | Otto III | Ernestine Schumann-Heink | Otto Piene | Otto I, Holy Roman Emperor | Otto I | Otto Preminger | Otto II | Otto Dix | Otto Natzler | Otto II, Holy Roman Emperor | Otto Binder | Otto Skorzeny | Otto Schenk | Otto of Brunswick | Otto Kerner, Jr. | Otto Steinbrinck | Otto Kerner | Otto IV, Holy Roman Emperor | Otto IV | Otto III, Holy Roman Emperor | Otto Braun | Miranda Otto | John Schumann | Frei Otto | Robert Schumann International Competition for Pianists and Singers | Otto-Werner Mueller |