John Locke (American Professor)
Encyclopedia
John Locke was an American
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 naturalist
Naturalist
Naturalist may refer to:* Practitioner of natural history* Conservationist* Advocate of naturalism * Naturalist , autobiography-See also:* The American Naturalist, periodical* Naturalism...

, professor, photographer, and publisher. He was the first American to exhibit photographs to the public.
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