Boshart, August
Radunz, Karl
Resener, Hans
Tucker, Alfred Robert
Schynse, August Wilhelm
Lyell, Charles
Schiel, Adolf
Greely, Adolphus Washington
Weeks, John Henry
Parkinson, Richard
Ramseyer, Fritz
Ussher, John
Chaillu, Paul Belloni du
Grant, James August
Spillmann, Joseph
Rein, Georg Kurt
