Harris, Sir William Cornwallis
Stanley, Henry Morton
Peters, Carl
Staudinger, Paul
Schweinfurth, Georg August
Wissmann, Hermann von
Drummond, Henry
Holub, Emil
Kleydorff, Wilhelm Freiherr von
Mannheim, Leo
Engelbert Mager
Livingstone, David
Schynse, August Wilhelm
Fränkel, Albert