Friedrich Samisch 🌍 Germany Friedrich Schiller 🌍 Duchy of Württemberg, Saxe-Weimar Friedrich Schlegel 🌍 Kingdom of Hanover, Electorate of Hanover Friedrich Schleiermacher 🌍 Kingdom of Prussia Friedrich Serturner 🌍 Kingdom of Prussia, Prince-Bishopric of Paderborn Friedrich Silcher 🌍 Kingdom of Württemberg Friedrich Sixt Von Armin 🌍 Germany Friedrich Sorge 🌍 Kingdom of Prussia, United States Friedrich Spee 🌍 Germany Friedrich Stromeyer 🌍 Kingdom of Hanover Friedrich Theodor Vischer 🌍 Germany, Kingdom of Württemberg Friedrich Tietjen 🌍 Grand Duchy of Oldenburg Friedrich Traun 🌍 German Empire Friedrich Von Adelung 🌍 Kingdom of Prussia, Russian Empire Friedrich Von Amerling 🌍 Austrian Empire, Austria–Hungary Friedrich Von Berchtold 🌍 Austria–Hungary, Austrian Empire Friedrich Von Bernhardi 🌍 Kingdom of Prussia, German Reich Friedrich Von Bodenstedt 🌍 Kingdom of Prussia Friedrich Von Esmarch 🌍 German Empire Friedrich Von Flotow 🌍 Grand Duchy of Mecklenburg-Schwerin Friedrich Von Gartner 🌍 Kingdom of Bavaria Friedrich Von Gentz 🌍 Kingdom of Prussia Friedrich Von Hagedorn 🌍 Germany Friedrich Von Huene 🌍 German Reich, Germany Friedrich Von Ingenohl 🌍 Germany Friedrich Von Schmidt 🌍 Kingdom of Württemberg, Austria–Hungary Friedrich Von Wieser 🌍 Austria–Hungary, Austria Friedrich Waismann 🌍 Austria Friedrich Welwitsch 🌍 Austria–Hungary Friedrich Werner Graf Von Der Schulenburg 🌍 German Reich Friedrich Wetter 🌍 Germany, Nazi Germany Friedrich Wieck 🌍 Electorate of Saxony, Kingdom of Saxony Friedrich Wilhelm Argelander 🌍 Kingdom of Prussia Friedrich Wilhelm Bessel 🌍 Kingdom of Prussia Friedrich Wilhelm Foerster 🌍 Germany Friedrich Wilhelm Freiherr Von Bulow 🌍 Kingdom of Prussia Friedrich Wilhelm Joseph Schelling 🌍 Kingdom of Württemberg, Switzerland Friedrich Wilhelm Kruger 🌍 Germany Friedrich Wilhelm Marpurg 🌍 Germany Friedrich Wilhelm Raiffeisen 🌍 Kingdom of Prussia Friedrich Wilhelm Schadow 🌍 Kingdom of Prussia Friedrich Wilhelm Von Seydlitz 🌍 Holy Roman Empire Friedrich Wilhelm Von Steuben 🌍 Kingdom of Prussia, United States Friedrich Wilhelm Zachow 🌍 Germany Friedrich Zander 🌍 Russian Empire, Soviet Union Frigyes Karinthy 🌍 Hungary Frigyes Riesz 🌍 Hungary Frithiof Martensson 🌍 Sweden Frithjof Schuon 🌍 Switzerland Frithjof Ulleberg 🌍 Norway Fritjof Capra 🌍 Austria Frits Bolkestein 🌍 Kingdom of the Netherlands Frits Clausen 🌍 Germany, Kingdom of Denmark Frits Thaulow 🌍 Norway Frits Zernike 🌍 Kingdom of the Netherlands Fritz Albert Lipmann 🌍 Germany, United States Fritz Bauer 🌍 Germany Fritz Bayerlein 🌍 Germany Fritz Bleyl 🌍 Germany Fritz Buchloh 🌍 Germany