1883: Friedrich Fischer of Schweinfurt designs a machine to allow steel balls to be ground to an absolutely round state for the first time – and in large volumes.
Friedrich Nietzsche | Friedrich Schiller | Dietrich Fischer-Dieskau | Friedrich Engels | Bobby Fischer | 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 | Jenna Fischer | Friedrich Wilhelm Joseph Schelling | Karl Wilhelm Friedrich Schlegel | Julia Fischer | Friedrich Gulda | Urs Fischer | Johann Bernhard Fischer von Erlach | Friedrich Rückert | Friedrich Paulus | Johann Friedrich Böttger | Hermann Emil Fischer | Gustav Fischer | Friedrich von Huene | Friedrich List | Friedrich | Fischer |