Friedrich Karl Florian was born in 1894.
Karl Friedrich
Johann Friedrich Weidler was born in 1691.
Karl friedrigh gauss is knon for making many math exploration
Carl Friedrich Gauss invented the decaheptagon
Carl Joachim Friedrich died in 1984.
Friedrich St. Florian was born in 1932.
Friedrich Karl Biedermann was born in 1812.
Karl Friedrich Burdach was born in 1776.
Friedrich Karl Dörner was born in 1911.
Karl Friedrich Abt was born in 1733.
Friedrich-Karl Thielemann was born in 1951.
Karl Friedrich Reiche was born in 1860.
Karl Friedrich Heusinger was born in 1792.
Karl Friedrich Plattner was born in 1800.
Karl Friedrich Lessing was born in 1808.
Karl Friedrich Mohr was born in 1806.
Karl-Friedrich Haas was born in 1931.