Schynse, August Wilhelm
Ramseyer, Fritz
Berdrow, Wilhelm
Rohlfs, Gerhard Friedrich
Obst, Karl August Erich
Baker, Samuel White
Johnston, Harry Hamilton
Baumann, Oscar
Banning, Emile
Hofmayr, Wilhelm
Farini, Guillermo Antonio
Thomson, Joseph
Jameson, James Sligo
Erlanger, Carlo Freiherr von
Andree, Karl
Peters, Carl
Werner Munzinger