Walden | Ricky Walden | Saffron Walden | Narada Michael Walden | Walden's Hornbill | Phil Walden | Thomas Scott-Ellis, 8th Baron Howard de Walden | Thomas Audley, 1st Baron Audley of Walden | Brian Walden | Walden Pond | Walden, New York | Walden Media | Walden Bello | Walden Two | Walden School | Walden Schmidt | Walden inversion | Walden, Colorado | The Walden School | St. Paul's Walden Bury | Patrick Walden | King's Walden | John Scott-Ellis, 9th Baron Howard de Walden | John Morgan Walden | Christian De Walden | 1st Baron Audley of Walden |
He had his first important exhibition in October 1923 at Herwarth Walden's Galerie Der Sturm, in Berlin, showing work in an expressionist style.
He was “sympathizer” of “Die Maler des Jungen Rheinlands”, the painters of the young Rhineland, and was in contact with personalities such as Hermann Hesse, Thomas Mann, Stefan Zweig, Hanns Heinz Ewers, Frank Wedekind, Gerhart Hauptmann, Lulu von Strauß und Torney, Felix Hollaender, Else Lasker-Schüler, Erich Mühsam, Peter Hille, John Henry Mackay, Herwarth Walden, Emil Ludwig, Franz Werfel, Wilhelm Schmidtbonn, and others.