Freytag, Gustav (1816-1895)(23)
Weber, Ernst Heinrich (1795-1878)(17)
Wiedemann, Gustav Heinrich (1826-1899)(14)
Rechenberg, Adam (1642-1721)(12)
Carus, Julius Victor (1823-1903)(11)
Tilesius von Tilenau, Wilhelm Gottlieb (1769-1857)(10)
Ratzel, Friedrich (1844-1904)(9)
Poeppig, Eduard (1798-1868)(8)
Francke, Gotthilf August (1696-1769)(6)
Lazarus, Moritz (1824-1903)(6)
Fechner, Gustav Theodor (1801-1887)(5)
Wuttke, Heinrich (1818-1876)(5)
Brandes, Heinrich Wilhelm (1777-1834)(4)