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Pigott, Edward (1753–1825)

in Oxford Dictionary of National Biography

September 2004; p ublished online September 2004 .

Reference Entry. Subjects: Astronomy and Astrophysics; Botany. 3 words.

See Pigott, Nathaniel

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Riddell, John Leonard

John Duffy.

in American National Biography Online

January 1999; p ublished online February 2000 .

Reference Entry. Subjects: Physics; Geology and the Lithosphere; Botany. 1260 words.

Riddell, John Leonard (20 February 1807–07 October 1865), botanist, microscopist, and geologist, was born in Leyden, Massachusetts, the son of John Riddell and Lephe Gates. Riddell’s...

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