As mentioned, he contributed to the artistic decoration of Saint Isaac's Cathedral, St. Petersburg, Cathedral of Christ the Saviour, Moscow, and Helsinki Cathedral, in present-day Finland, as well as churches outside the Russian empire - e.g. in Nice, France and Wiesbaden, present-day Germany.
Johann Wolfgang von Goethe | Otto von Bismarck | Carl Sagan | Carl Jung | Alexander von Humboldt | Carl Orff | Wernher von Braun | Carl Maria von Weber | Herbert von Karajan | Carl Lewis | Carl Zeiss AG | Carl Linnaeus | Carl Sandburg | Carl XVI Gustaf of Sweden | Gebhard Leberecht von Blücher | John von Neumann | Lars von Trier | Ferdinand von Mueller | Carl Levin | Paul von Hindenburg | Carl Zeiss | Carl Michael Bellman | Carl Friedrich Gauss | Alexander von Humboldt Foundation | Heinrich von Kleist | Anne Sofie von Otter | Carl Froch | Erich von Stroheim | Max von Sydow | Justus von Liebig |