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English naturalist and biologist

English chemist, theologian, educator, and political theorist

English-brazilian biologist

English musician and member of the Beatles

British naturalist, explorer, geographer, anthropologist and biologist

Scottish-American naturalist

English biologist and comparative anatomist

English musician and singer for Radiohead

British molecular biologist, biophysicist, neuroscientist; co-discoverer of the structure of DNA

British broadcaster and naturalist

English ethologist, evolutionary biologist and author

British ornithologist and police officer

Civil servant, political reformer and amateur biologist

English designer of parks, gardens and cemeteries, and an author

Physician

English natural philosopher, architect and polymath

British-Indian geneticist and evolutionary biologist

British polymath: geographer, statistician, pioneer in eugenics

Physiologist and decompression researcher

Scottish marine biologist and antarctic explorer

Canadian science writer

British politician

English agriculturalist and co-operator

Naturalist, zookeeper, conservationist, author and television presenter

English biologist, philosopher, author

Financier and environmentalist

British statesman who founded Singapore

English professional wrestler, actor, and bare-knuckle boxer

English botanist and botanical illustrator

English biologist

Economist

British soldier, intelligence officer and ornithologist known for theft and falsification of specimens

British Liberal statesman

English ornithologist and ichthyologist

British entomologist

English coleopterist, creator of the Bryant Index of Country Houses, expert on Chelsea porcelain (1878–1965)

British-American cardiologist, cardiovascular physiologist, and dean of the Mayo Medical School from 1977 to 1983

British marksman and naturalist

Scottish-born Australian entomologist and myrmecologist

British geneticist, author, and broadcaster