Louis Isidore Duperrey
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Louis Isidore Duperrey (1786 - 1865) was a French sailor and explorer.
Duperrey joined the navy in 1802, and served as marine hydrologist to Louis Claude de Saulces de Freycinet aboard the Uranie (1817-1820). He commanded La Coquille on its circumnavigation of the earth (1822-25) with Jules Dumont d'Urville as second.
He is the first to put together on a map the whole Gilbert Islands archipelago (with the name given to it by Admiral Krusenstern).