Boshart, August
Stanley, Henry Morton
Chaillu, Paul Belloni du
Grant, James August
Rein, Georg Kurt
Vischer, Hans
Passarge, Otto Karl Siegfried
Heichen, Paul Hermann
Bastian, Philipp Wilhelm Adolf
Roosevelt, Theodore
Guillain, Charles
Rohlfs, Gerhard Friedrich
Schweinfurth, Georg August
Rüppell, Wilhelm Peter Eduard Simon