Friedrich Soennecken was born in 1848.
Götz Friedrich was born in 1930.
Friedrich Ramm was born in 1744.
Friedrich Kratochwil was born in 1944.
Friedrich Staps was born in 1792.
Friedrich Sämisch was born in 1896.
Friedrich Soennecken died in 1919.
Ring Binders were invented in 1886 by a man named Friedrich Soennecken. He also invented the hole bunch in 1886.
Friedrich Born was born in 1903.
Friedrich Golling was born in 1883.
Gerhard Friedrich was born on 1917-09-16.
Friedrich Neznansky was born in Belarus.
Friedrich Graumann was born in 1941.
Friedrich Witte was born in 1979.
Wilfried Friedrich was born in 1950.
Friedrich Gerstäcker was born in 1816.
Friedrich Fülleborn was born in 1866.
Friedrich Thielen was born in 1916.