HAUGHTON

haughton, samuel (1821-1897), irish scientific writer, the son of james haughton (1795-1873), was born at carlow on the 21st of december 1821. his father, the son of a quaker, but himself a unitarian, was an active philanthropist, a strong supporter of father theobald mathew, a vegetarian, and an anti-slavery worker and writer. after a distinguished career in trinity college, dublin, samuel was elected a fellow in 1844. he was ordained priest in 1847, but seldom preached. in 1851 he was appointed professor of geology in trinity college, and this post he held for thirty years. he began the study of medicine in 1859, and in 1862 took the degree of m.d. in the university of dublin. he was then made registrar of the medical school, the status of which he did much to improve, and he represented the university on the general medical council from 1878 to 1896. he was elected f.r.s. in 1858, and in course of time oxford conferred upon him the hon. degree of d.c.l., and cambridge and edinburgh that of ll.d. he was a man of remarkable knowledge and ability, and he communicated papers on widely different subjects to various learned societies and scientific journals in london and dublin. he wrote on the laws of equilibrium and motion of solid and fluid bodies (1846), on sun-heat, terrestrial radiation, geological climates and on tides. he wrote also on the granites of leinster and donegal, and on the cleavage and joint-planes in the old red sandstone of waterford (1857-1858). he was president of the royal irish academy from 1886 to 1891, and for twenty years he was secretary of the royal zoological society of ireland. he died in dublin on the 31st of october 1897. publications.--_manual of geology_ (1865); _principles of animal mechanics_ (1873); _six lectures on physical geography_ (1880). in conjunction with his friend, professor j. galbraith, he issued a series of manuals of mathematical and physical science.