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SIR JAMES COCKLE (1819-1395)

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Originally appearing in Volume V06, Page 627 of the 1911 Encyclopedia Britannica.
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SIR See also:JAMES See also:COCKLE (1819-1395)  , See also:English lawyer and mathematician, was See also:born on the 14th of See also:January 1819 . He was the second son of See also:James See also:Cockle, a surgeon, of See also:Great Oakley, See also:Essex . Educated at See also:Charterhouse and Trinity See also:College, See also:Cam-See also:bridge, he entered the See also:Middle See also:Temple in 1838, practising as a See also:special pleader in 1845 and being called in 1846 . Joining the midland See also:circuit, he acquired a See also:good practice, and on the recommendation of See also:Chief See also:Justice See also:Sir See also:William See also:Erie he was appointed chief justice of See also:Queensland in 1863 . He received the See also:honour of See also:knighthood in 1869, retired from the See also:bench, and returned to See also:England in 1879 . Cockle is more remembered for his mathematical and scientific investigations than as a lawyer . Like many See also:young mathematicians he attacked the problem of resolving the higher algebraic equations, notwithstanding See also:Abel's See also:proof that a See also:solution by radicles was impossible . In this See also:field Cockle achieved some notable results, amongst which is his See also:reproduction of Sir William R . See also:Hamilton's modification of Abel's theorem . Algebraic forms were a favourite See also:object of his studies, and he discovered and See also:developed the theory of criticoids, or See also:differential invariants; he also made contributions to the theory of differential equations . He displayed a keen See also:interest in scientific See also:societies . From 1863 to 1879 he was See also:president of the Queensland Philosophical Society (now incorporated in the Royal Society of Queensland); on his return to England he became associated with the See also:London Mathematical Society, of which he was president from 1886 to 1888, and the Royal Astronomical Society, serving as a member of the See also:council from 1888 to 1892 .

He died in London on the 27th of January 1895 . A See also:

volume containing his scientific and mathematical researches made during the years 1864–1877 was presented to the See also:British Museum in 1897 by his widow . See the obituary See also:notice by the Rev . R . Harley in Proc . See also:Roy . See also:Soc. vol . 59 .

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