Chittenden, Frank Hurlbut (1885–1929)
Haeckel, Ernest (1834–1919)
Becker, Theodor (1840–1928)
Bösenberg, W. (1841–1903)
Birula, A. (1864–1937)
Berg, Carolo (1843–1902)
Darwin, Charles Robert, (1809–1882)
Darwin, Charles Robert, (1809–1882)
Darwin, Charles, (1809–1882)