Flahault, Charles Marie Henri(18)
Wiesner, Julius von (1838-1916)(12)
Candolle, Alphonse de (1806-1893)(9)
Warming, Eugenius (1841-1924)(7)
Kirchhoff, Alfred (1838-1907)(6)
Poirault, Georges (1858-1936)(6)
Handel-Mazzetti, Heinrich von (1882-1940)(5)
Pfeffer, Wilhelm (1845-1920)(5)
Beck-Mannagetta, Günther (1856-1931)(4)
Ratzel, Friedrich (1844-1904)(4)