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EARLY LIFE Hodgkinson was born in the village of Anderton , near Great Budworth , Cheshire to a Farming family. His father died when Hodkinson was six years old and he was raised with his two sisters by his mother who maintained the farming business. She sent her son to the Grammar School in Northwich where he studied the Classics with the intention that he would fulfil the family's ambition that he prepare for a career in the Church Of England . Unfortunately, the regime was unsuited to his tastes and talents which were already showing promise in mathematics. His mother moved him to a less prestigious private school in Northwich where his enthusiasm for mathematics was encouraged and fostered but, as the young Hodgkinson grew physically, he became indispensable on the family farm and soon left education to devote himself there. However, farming was no more to his taste than Greek and Latin and his mother yearned to satisfy her son's appetites. Family friends advised that Hodgkinson might find some more suitable outlet in nearby Manchester and so, in 1811 , the family left for Salford to open a Pawnbroking business. Hodgkinson used all his spare time in reading Science and mathematics and soon introduced himself into Manchester's scientific community, meeting, among others, his future collaborator, Sir William Fairbairn . He became a pupil of John Dalton , studying mathematics, and the two remained firm friends until Dalton's death in 1844 . He retired early from the family business to devote a modest pension to his scientific work. He married twice, to Catherine Johns and to a Miss Holditch. There were no children. SCIENTIFIC WORK Hodgkinson worked with Sir William Fairbairn in Manchester on the design of Iron Beam s. His improved Cross-section was published by the Manchester Literary And Philosophical Society in 1830 and influenced much Nineteenth Century Structural Engineering . He derived the emirical formula for a concentrated load, ''W'' (in Ton s), at which a beam will fail as a function of its length between simple supports, ''L'' (in Inch es); its depth, ''d'' (in inches); and its bottom-flange Area , ''A'' (inch2): : His expertise with beams led to his retention, along with Fairbairn, as consultant on Robert Stephenson 's novel tubular design for the Britannia Bridge . LATER YEARS Hodgkinson was elected a Fellow of the Royal Society in 1841 and, in 1847 , he became professor of the mechanical principles of engineering at University College London . In 1849 , he was appointed by the UK Parliament to participate in a Royal Commission to investigate the application of iron in Railroad structures, performing some early investigations of Metal Fatigue . Towards the end of his life, his mental faculties failed and he died at Higher Broughton , Manchester. BIBLIOGRAPHY
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