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Description
Photograph of an etched portrait of British chemist John Dalton, seated at a desk, where Dalton's atomic symbols charts are seen draped over the table top. The line engraving, done by William Henry Worthington (ca 1795-1839), is after a painting (most likely done by Joseph Allen (1769-1839). Dalton, famous for developing the atomic theory of matter, is considered the father of modern atomic theory. No Date
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