Vita, Hassan
Götzen, Gustav Adolf Graf von
Stanley, Henry Morton
Farini, Guillermo Antonio
Thomson, Joseph
Baumann, Oscar
Wormser, Johan Adam
Wagner, Hermann
Cruickshank, Brodie
Ritter, Carl
Stuhlmann, Franz
Meyer, Hans Heinrich Josef
Richardson, James
Sassi, Moritz
Frobenius, Leo
Volz, Berthold August Emil
Reichard, Paul