Following Wolff's death the same year, the company came under the control of his son, Otto Wolff von Amerongen.
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Several years and lawsuits later, they received seven million Deutsche Marks, a fraction of the original value.
Otto von Bismarck | Otto | Otto III | Otto Piene | Otto I, Holy Roman Emperor | Otto I | Otto Preminger | Otto II | Otto Dix | Tobias Wolff | Otto Natzler | Otto II, Holy Roman Emperor | Otto Binder | Harland and Wolff | 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 | Frei Otto | Otto-Werner Mueller | Otto Schmidt | Otto Muehl | Otto Lilienthal |
Extremely fruitful collaboration with pharmacists Wilhelm Spiess, Walther Cloos and Hans Krueger with flow scientist Theodor Schwenk and many physicians among them Eugen Kolisko, Gottfried and Gisbert Husemann, Walther Buehler, Otto Wolff, Rudolf Treichler, Eberhard Schickler, Kurt Magerstaedt, Paul Paede, Norbert Glas, made it possible to bring Rudolf Steiner's suggestions to realization and so develop a range of anthroposophical medicines.