Thomson, Joseph
Oppert, Ernst
Czekanowski, Jan
Schultze, Leonhard Sigmund
Heine, Peter Bernhard Wilhelm
Andree, Karl
Cecchi, Antonio
Baedeker, Karl
Hedin, Sven
Wissmann, Hermann von
Nansen, Fridtjof
Mecklenburg, Adolf Friedrich Herzog zu
Rein, Johannes Justus
Schwarz, Bernhard Wilhelm
Filchner, Wilhelm
Layard, Austin Henry
Palgrave, William Gifford
Overbeck, Johannes / Mau, August
Cameron, Verney Lovett
Rohlfs, Gerhard Friedrich
Schroeder, Oswald
Radde, Gustav
Hecquard, Hyacinth