Alexander von Humboldt (1769-1859) - German explorer and scientist whose work was foundational to the field of biogeography.

The butterfly was named to honour the German explorer Alexander von Humboldt.

Wilhelm Filchner (September 13, 1877 - May 7, 1957) was a German explorer.

The first person to think of it was Moritz Wagner, a German explorer and natural historian.

Hugo Zöller (12 January 1852 - 1933) was a German explorer and journalist.

The search for undiscovered tribes was diligently recorded by French, German and British explorers.

Ruppell's vultures, named after a German explorer, are large African vultures.

His companion here is the great German explorer Alexander von Humboldt.

It is named after the famous German explorer and naturalist Alexander von Humboldt.

Otto Michael (1859 - 1934) was a German explorer, zoologist and entomologist.