MURPHY, Arthur (1727-1805), dramatist, was the son of a Dublin merchant, and was born near Elphin in Roscommon in 1727. From 1740 to 1747 he was a student at St Omer (France). He then entered the counting-house of his uncle, a merchant at Cork. But four years afterwards he was in London, prosecuting literature as a profession and publishing The Gray's Inn Journal, a periodical in the style of The Spectator. The drama was also occupying his attention. He produced the farce of The Apprentice, and appeared as an actor in the character of Othello. His dramas were more successful than his acting. After treading the stages of Covent Garden and Drury Lane for one season each, he abandoned the profession. His next undertaking was the editing of a political periodical called The Test. In this, too, he was unsuccessful. He next turned his attention to the study of law, and was called to the bar by the Society of Lincoln’s Inn in 1757. But the smallness of his practice forced him to have recourse to his former vocation of writing for the stage. Among his many popular dramas, The Upholsterer, in 1758; The Way to Keep Him, in 1760; All in The Wrong, in 1761; The Grecian Daughter, in 1772; and Know Your Own Mind, in 1777, were very successful, and secured for their author both fame and wealth. Murphy is also notable as the first biographer of Fielding, and amidst the miscellaneous literary work of his later years he produced an “essay on the life and genius” of Johnson and translations of Sallust and Tacitus. Towards the close of his life the office of a commissioner of bankrupts, and a pension of <£200, were conferred upon him by Government. He died in June 1805....
MURPHY, Robert (1806-1843), mathematician, was the son of a poor shoemaker, and was born at Mallow in Ireland in 1806. At the age of thirteen, while working as an apprentice in his father’s shop, he became known to certain gentlemen in the neighbourhood as a self-taught mathematician of wonderful precocity. Through their exertions, after attending a classical school in his native town, he was admitted to Caius College, Cambridge, in 1825. Third wrangler in 1829, he was elected in the same year a fellow of his college. But the temptations of prosperity were too strong for him. A course of extravagant dissipation soon led him into debt · his fellowship was sequestered for the behoof of his creditors, and he was obliged to leave Cambridge in December 1832. After living for some time with his relations in Ireland, he repaired to London in 1836, a penniless literary adventurer. He had already contributed several mathematical papers to the Cambridge Philosophical Transactions, and had published Elementary principles of the theories of Electricity, Ac., Camb., 1833. His pen was now employed in writing for the “Library of Useful Knowledge” a Treatise on the Theory of Algebraical Equations (Lond,, 1839). He was labouring diligently to throw off the load of debt that still pressed heavily upon him when a disease of the lungs cut short his career in March 1843.
Murphy’s mathematical writings are remarkable for elegance and ingenuity, and parts of his work on the theory of equations and on the mathematical theory of electricity still retain their importance.
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