August Bebel
The Scientific-Humanitarian Committee, under Hirschfeld's leadership, managed to gather over 5000 signatures from prominent Germans for a petition to overturn Paragraph 175. Signatories included Albert Einstein, Hermann Hesse, Käthe Kollwitz, Thomas Mann, Heinrich Mann, Rainer Maria Rilke, August Bebel, Max Brod, Karl Kautsky, Stefan Zweig, Gerhart Hauptmann, Martin Buber, Richard von Krafft-Ebing and Eduard Bernstein.