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GUSTAVE ADOLPHE THURET (1817-1875)

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Originally appearing in Volume V26, Page 899 of the 1911 Encyclopedia Britannica.
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GUSTAVE ADOLPHE See also:

THURET (1817-1875)  , See also:French botanist, was See also:born in See also:Paris on: the 23rd of May 1817 . He came of an old Huguenot See also:family, which had sought See also:refuge for a See also:time in See also:Holland after the revocation of the See also:Edict of See also:Nantes . A trace of Dutch See also:influence still persists in the See also:pronunciation of the family name in which the final t is sounded . See also:Thuret's See also:mother was brought up in See also:England; See also:English was the first See also:language that he learnt, and he appears to have retained strong sympathies with See also:Great See also:Britain throughout See also:life . As a See also:young See also:man he studiedfor the See also:law; in his leisure time he was an ardent musician, and it was from a musical friend, de Villers, that he received, in 1837, his first See also:initiation into See also:botany . Beginning simply as a See also:collector, he soon came under the influence of See also:Joseph Decaisne (1809-1882), whose See also:pupil he became . It was Decaisne who first encouraged him to undertake those algological studies which were to become the See also:chief See also:work of his life . Thuret twice visited See also:Constantinople in See also:company with the French See also:ambassador, M. de Pontois, and was for a time attache to the French See also:embassy there . His See also:diplomatic career, though of See also:short duration, gave him a valuable opportunity of studying the See also:Oriental See also:flora . After travelling in See also:Syria and See also:Egypt in the autumn of 1841, he returned to See also:France . Giving up his intention of entering the See also:civil service, he retired to his See also:father's See also:country See also:house at Rentilly, and thenceforth devoted himself to scientific See also:research . He had already, in 184o, published his first scientific See also:paper, " Notes sur 1'anthere de Chara et See also:les animalcules qu'elle renferme," in which he first accurately described the See also:organs of See also:motion of the " animalcules " or spermatozoids of these See also:plants .

He continued his studies of the zoos-pores and male cells of See also:

Algae and other Cryptogams, and our exact knowledge of these remarkable motile stages in See also:vegetable life is largely due to his labours . He spent a great See also:part of his time, up to 1857, on the See also:Atlantic See also:coast of France, assiduously observing the marine Algae in their natural See also:habitat and at all seasons . In See also:conjunction with his friend Edouard Bornet, he became the, recognized authority on this important See also:group of plants, of which the two colleagues acquired an unrivalled knowledge . Their work, while remarkable for taxonomic accuracy, was more especially concentrated on the natural See also:history, development and modes of See also:reproduction of the plants investigated . The See also:discovery of sexual reproduction in seaweeds is almost wholly the work of these two men . The researches on the fecundation of the Fucaceae were published by Thuret in 1853 and 1855; the complicated and difficult question of the sexual reproduction in Floridae was solved by the See also:joint work of Thuret and Bornet (1867) . These great discoveries--of, far-reaching biological significance—stand out as the chief, but every group of marine Algae was elucidated by the researches of Thuret and his colleague . There are few scientific authors whose work has so completely stood the test of subsequent investigation and See also:criticism . Thuret's See also:style in expounding his results was singularly clear and concise; he was a man of wide See also:education, and possessed the See also:power of expressing his ideas with See also:literary skill . Unfortunately, much of his best work remained unpublished during his life . A portion of the material accumulated by himself and his colleague was embodied in two magnificent See also:works published after his See also:death—the Notes algologiques (1876-188o), and the still finer Etudes phycologiques (1878) . These volumes, as well as earlier See also:memoirs, are illustrated by drawings of unequalled accuracy and beauty from the See also:hand of the artist Riocreux, whom Thuret employed .

In 18$7 Thuret removed to See also:

Antibes on the Mediterranean coast, where, on a once barren promontory, he established a botanic See also:garden which became famous throughout the scientific See also:world . Since his death the Antibes See also:establishment has been placed at the disposal of botanical workers as an See also:institute for research . Thuret died suddenly, while on a visit to See also:Nice, on the loth of May 1875, when he had scarcely completed his fifty-eighth See also:year . He was a man of considerable See also:wealth, who devoted his See also:money as freely as his time and labour to the See also:advancement of See also:science, but his high reputation rests on the brilliancy of his See also:personal investigations . The best and fullest See also:account of Thuret's career is that by his friend and See also:fellow worker Bornet, published in the Annales See also:des sciences naturelles for 1876 . An English See also:notice of his life, by See also:Professor W . G . Farlow, will be found in the See also:Journal of Botany for the same year . (D . H .

End of Article: GUSTAVE ADOLPHE THURET (1817-1875)
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