Dickstein, Samuel (1851–1939)
Weber, Robert Heinrich (1850–1920)
Darboux, Gaston (1842–1917)
Marshall, William (1845–1907) Justus Perthes (Gotha)
Stieler, Adolf (1775–1836) Justus Perthes (Gotha)
Fabian, Aleksander (1847–1910)
Rausenberger, Otto (1852– )
Rausenberger, Otto (1852– )
Gauss, Carl Friedrich (1777–1855)