Greely, Adolphus Washington
Hayes, Isaak Israe
Baker, Samuel White
Bastian, Philipp Wilhelm Adolf
Torell, Otto Martin / Nordenskiöld, Adolf Eric
Krause, Aurel
Thomson, Joseph
Sweet, Alexander Edwin und Knox, John Armoy
Knortz, Karl
Dixon, William Hepworth
David und Charles Livingstone
Heuglin, Martin Theodor von
Shaw, Robert