Friedrich Nietzsche | Friedrich Schiller | Friedrich Engels | Carl Friedrich Gauss | Karl Friedrich Schinkel | Friedrich Dürrenmatt | Friedrich Hayek | Caspar David Friedrich | Georg Wilhelm Friedrich Hegel | Friedrich Hölderlin | Friedrich Gustav Jakob Henle | Friedrich Ebert | Friedrich Wilhelm Joseph Schelling | Adler | Lou Adler | Karl Wilhelm Friedrich Schlegel | Friedrich Gulda | Alfred Adler | Friedrich Rückert | Friedrich Paulus | Larry Adler | Johann Friedrich Böttger | Friedrich von Huene | Friedrich List | Friedrich | David Adler | Christian Heinrich Friedrich Peters | Johann Friedrich Blumenbach | Friedrich Wilhelm Freiherr von Bülow | Friedrich Specht |
This included many former Internationalists, German Independent Social-Democrats like Rudolf Hilferding, Austro-Marxists like Max and Friedrich Adler, Mensheviks like Dan, centre-left SRs like Chernov and the Left SRs.