Kärrström, E. J.
Chaillu, Paul Belloni du
Grant, James August
Bertrand, Alfred
Klunzinger, Carl Benjamin
Hagen, Bernhard von
Polko, Elise
Andree, Karl
Harris, Sir William Cornwallis
Johnston, Harry Hamilton
Jack, Robert Logan
Lebzelter, Viktor
Barth, Heinrich
Scott, E. P.
Nordenskiöld, Adolf Erik Freiherr von
Westermann, Diedrich