Zellweger-Zuberbühler, Jacob (1770-1821)(5)
Francke, August Hermann (1663-1727)(3)
Chamisso, Adelbert von (1781-1838)(2)
Baer, Karl Ernst von (1792-1876)(1)
Hirzel, Hans Caspar (1725-1803)(1)
Ludolf, Georg Melchior von (1667-1740)(1)
Royal Geographical Society (1830-1994)(1)
Washington, John (1800-1862)(1)