Gustav Mahler | Gustav Klimt | Gustav Holst | Gustav III of Sweden | Gustav I of Sweden | Gustav Meyrink | Friedrich Gustav Jakob Henle | Gustav Stresemann | Gustav Noske | Gustav III | Gustav, Hereditary Prince of Sayn-Wittgenstein-Berleburg | Gustav Fischer | Hurricane Gustav | Gustav Nossal | Gustav Meier | Gustav Hertzberg | Gustav Albrecht, 5th Prince of Sayn-Wittgenstein-Berleburg | Johann Gustav Droysen | Heinrich Gustav Magnus | Gustav Stickley | Gustav Krupp von Bohlen und Halbach | Gustav Horn, Count of Pori | Gustav Fröhlich | Gustav Fechner | Gustav Adolfs torg | Gustav | Charles X Gustav of Sweden | Sweden's King Gustav III | Peter Gustav Lejeune Dirichlet | Johann Gustav Stickel |
Kapp graduated from the Conservatory in 1900 as a composer and from 1904 until 1920 worked as a music director in the southern Russian city of Astrakhan, then returning to Estonia as a professor and conductor at the Tallinn Conservatory where he counted among his students such future notable Estonian composers as Evald Aav, Edgar Arro, Gustav Ernesaks, Helen Tobias-Duesberg, Riho Päts and Enn Võrk.
Those celebrities include Edmund Russow, Anastasia Tsvetaeva, Peter Ustinov, Romulus Tiitus, Igor Vsevoloþski (buried in Käsmu), Nikolai Rakov, Ülo Vinter (buried in Käsmu), Arvo Pärt and Gustav Ernesaks.