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 Friedrich Wenzel died in 1793.
Friedrich St. Florian was born in 1932.
Karl Friedrich Nebenius was born in 1784.
Karl Friedrich Küstner was born in 1856.
Karl Friedrich Becker was born in 1777.
Karl-Friedrich Höcker was born in 1911.
Karl-Friedrich Haas was born in 1931.
Karl Friedrich Köppen was born in 1808.
Friedrich Karl Ginzel was born in 1850.
Karl Friedrich Canstatt was born in 1807.
Karl Friedrich Burdach was born in 1776.
Friedrich Karl Dörner was born in 1911.
Friedrich Karl Biedermann was born in 1812.