Petachiah of Regensburg

German privateer and nobleman

German anthropologist, explorer and collector

German explorer, collector and trader of natural history and ethnografic objects

German explorer, naturalist and ethnologist

German botanist and naturalist

German geographer

German Argentine zoologist, entomologist, herpetologist, and botanist

German biologist, naturalist, philosopher, physician, and artist

German scientist

German explorer

German explorer and biologist

German conquistador

Artist, author

German explorer and ornithologist

German botanist

Russian-German scientist

German geographer

German naturalist and astronomer

German missionary and African explorer

German explorer