Topic: William Hyde Wollaston

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William Hyde Wollaston

The Columbia Encyclopedia, Sixth Edition
William Hyde Wollaston 1766-1828, English scientist, M.D. Cambridge, 1793. His wide-ranging scientific achievements include the discovery (1802) of the dark lines (Fraunhofer lines) in the solar spectrum; invention of the reflecting goniometer (an instrument by which the angles of crystals are measured) and of the camera lucida; a method of making platinum malleable; the discovery of the elements palladium (1803) and rhodium (1804); and establishment of (1801) the equivalence of galvanic and frictional electricity. He created an endowment with the Wollaston medal to be awarded annually by the... Read more

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