Henri Philippe Marie Orléans, prince d'
Orléans, Henri Philippe Marie, prince d' (äNrēˈ fēlēpˈ märēˈ prăNsˈ dôrlāäNˈ) [key], 1867–1901, French explorer and author, b. England; son of Robert, duke of Chartres. After a journey (1889) from Siberia to Siam, by way of Tibet, and a visit (1892) to SE Africa, he left (1895) Hanoi to complete the earlier work of M. J. F. Garnier on the Mekong River in Indochina. He traveled as far as the Brahmaputra, established the fact that the Thanlwin (Salween) originates in Tibet (now in China), and also discovered the source of the Ayeyarwady. His accounts of his travels include Around Tonkin and Siam (1894, tr. 1894) and From Tonkin to India (1897, tr. 1898).
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