Theodore Roosevelt | Theodore Dreiser | Theodore Sturgeon | Theodore von Kármán | Theodore Roosevelt, Jr. | Theodore Parker | Theodore Bikel | Theodore | Theodore Roosevelt National Wildlife Refuge Complex | Théodore Botrel | Charles Theodore, Elector of Bavaria | Theodore Wirth | Theodore Ushev | Theodore Robinson | Theodore of Tarsus | Theodore Edgar McCarrick | Théodore Dubois | Theodore Roethke | Theodore of Mopsuestia | Théodore Géricault | Theodore Dru Alison Cockerell | Théodore Dézamy | Theodore C. Blegen | John Theodore of Bavaria | Charles Theodore | Theodore Ziolkowski | Theodore Winthrop | Theodore Thomas | Theodore Roosevelt National Park | Theodore of Amasea |
In 1883, Wytsman was a founding member of "Les XX", the famous avant-garde group in Brussels, inspired by the figure of Octave Maus, and founded by Frantz Charlet, Jean Delvin, Darío de Regoyos, Paul Du Bois, James Ensor, Willy Finch, Charles Goethals, Fernand Khnopff, Pericles Pantazis, Frans Simons, and Théodore Verstraete.