Vita, Hassan
Stanley, Henry Morton
Farini, Guillermo Antonio
Thomson, Joseph
Wormser, Johan Adam
Cruickshank, Brodie
Richardson, James
Volz, Berthold August Emil
Jephson, Arthur Jermy Mounteney / Stanley, Henry Morton
Brehm, Alfred Edmund
Frobenius, Leo
Rohlfs, Gerhard Friedrich
Jameson, James Sligo
Erlanger, Carlo Freiherr von
Andree, Karl