Boshart, August
Resener, Hans
Grant, James August
Beer, Adolf
Galton, Sir Francis
Klunzinger, Carl Benjamin
Stanley, Henry Morton
Fonck, Heinrich
Passarge, Otto Karl Siegfried
Chavanne, Joseph
Cruickshank, Brodie
Rohlfs, Gerhard Friedrich
Guenther, Konrad
Drummond, Henry
Donat, Emil
Wissmann, Hermann von
Marno, Ernst
Schweinfurth / Ratzel
Körner, Friedrich
Spillmann, Joseph