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American politician, 26th President of the United States

Ukrainian zoologist

English naturalist and biologist

Prussian geographer, naturalist and explorer

English-brazilian biologist

German biologist, naturalist, philosopher, physician, and artist

Classical Greek philosopher and polymath

British naturalist, explorer, geographer, anthropologist and biologist

Swedish botanist, physician, and zoologist

Italian Renaissance polymath

Chinese entomologist

Russian entomologist

Chinese entomologist

Emperor of Japan

American ornithologist, marine biologist, entomologist, and explorer

English biologist and comparative anatomist

German writer, artist, natural scientist and politician

Researcher and entomologist

Norwegian polar explorer and diplomat; Nobel Peace Prize laureate

Italian erudite

Brazilian entomologist

English ethologist, evolutionary biologist and author

Italian entomologist

American ichthyologist and educator

Brazilian herpetologist

Entomologist

British ornithologist and police officer

Civil servant, political reformer and amateur biologist

Taiwanese entomologist

Dutch entomologist

American marine biologist and conservationist

Belgian entomologist

King of Belgians

American evolutionary biologist

Zoologist, geneticist

French naval officer, explorer, conservationist, filmmaker, innovator, scientist, photographer, author and researcher

American paleontologist and biologist

Lithuanian zoologist

Vietnamese herpetologist

Italian entomologist