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American-born British physicist and inventor

British manufacturing chemist

Derbyshire geologist

British political economist

Scottish naturalist and mineralogist

Scottish surgeon and artist

Surgeon, chemist, lecturer, consultant, architect, builder, gentleman scientist, inventor

Scottish lawyer, judge and literary figure

British botanist

British scientist

British doctor and chemist

British politician and naturalist

English pamphleteer, farmer and journalist

British botanical illustrator and mineralogist

English botanist

British geologist & paleontologist

British explorer

English geologist, cartographer, social theorist

Scientist, physicist

British colonial administrator

Canadian explorer

English historian, abolitionist, art collector, politician, lawyer, banker, botanist and writer

Canadian explorer

British writer

British geographer

English geologist

English clergyman, geologist and palaeontologist

British researcher

British botanist and scientific illustrator

British Army general

English ornithologist and artist

Director of Ordnance Survey

British merchant and geologist

Anglo-Irish hydrographer and naval officer

British draughtsman and artist

Historian

English philosopher & historian of science

British-Canadian fur trader, surveyor, and map-maker

British neuroscientist

English Arctic explorer, scientist and clergyman