George Ord

American naturalist

American painter

French biologist

Scottish-American poet, ornithologist, naturalist, and illustrator

English botanist and zoologist in America

French naturalist

Geologist, cartographer, social theorist

American ornithologist

American ornithologist

American ornithologist

English-American naval officer

Naturalist from Ireland, born 1805

American ornithologist

English zoologist, ornithologist, and lawyer

Entomologist

Scottish ornithologist and naturalist

Professor of zoology at the University of Pennsylvania

German-American Evolutionary Biologist

American ornithologist

English physician, naturalist and author

American anatomist and paleontologist

Scottish soldier and surgeon

English surgeon

English surgeon and venereologist

English physician, surgeon, apothecary, mesmerist and phrenologist

British military surgeon

English surgeon

Scottish naval surgeon and medical writer

British politician

Botanist

Royal Navy surgeon and explorer

British military surgeon

1795-1822, Scottish botanist

Surgeon of Aberystwyth

English surgeon and reformer

Scottish botanist

Scottish surgeon, hypnotist, and hypnotherapist

British surgeon

British surgeon

English surgeon