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Stephen Bosanquet
Times obituary
Professor Lancelot Stephen Bosanquet died in Cambridge on January 10 at the age of 80. He studied mathematics at Oxford under the guidance of G. H. Hardy, obtained his DPhil in 1929, and was awarded his DSc in 1935.
His 40-year teaching career was spent at University College London, as a lecturer from 1929, as a reader from 1936, and as a professor from 1966 until 1971, when he became professor emeritus.
A series is said to be divergent if there is no unique surn to which it converges. Since the work of Euler, around 1740, mathematicians have devised various methods of assigning "sums" to divergent series and of converting divergent series to convergent series. This was one of G. H. Hardy's main interests, and it became Stephen Bosanquet's interest throughout the 50 years of his research career.
He published over 60 research papers and supervised numerous research students, many of whom had distinguished mathematical careers. He was secretary of the London Mathematical Society from 1947 to 1951, vice-resident from 1950 to 1954, and editor of the Society's Journal from 1951 to 1955.
He saw Hardy's great book "Divergent Series" through the press during Hardy's last illness, and he later edited the volume on Series in Hardy's Collected Works; he was chief editor for the last two of the seven volumes.
He was an extremely generous mathematician, always striving to help and encourage his students to develop and sharpen their ideas. Indeed, he would help anyone who sent him a mathematical manuscript in this way.
He leaves a wife and two daughters whom he greatly loved.
Professor Lancelot Stephen Bosanquet died in Cambridge on January 10 at the age of 80. He studied mathematics at Oxford under the guidance of G. H. Hardy, obtained his DPhil in 1929, and was awarded his DSc in 1935.
His 40-year teaching career was spent at University College London, as a lecturer from 1929, as a reader from 1936, and as a professor from 1966 until 1971, when he became professor emeritus.
A series is said to be divergent if there is no unique surn to which it converges. Since the work of Euler, around 1740, mathematicians have devised various methods of assigning "sums" to divergent series and of converting divergent series to convergent series. This was one of G. H. Hardy's main interests, and it became Stephen Bosanquet's interest throughout the 50 years of his research career.
He published over 60 research papers and supervised numerous research students, many of whom had distinguished mathematical careers. He was secretary of the London Mathematical Society from 1947 to 1951, vice-resident from 1950 to 1954, and editor of the Society's Journal from 1951 to 1955.
He saw Hardy's great book "Divergent Series" through the press during Hardy's last illness, and he later edited the volume on Series in Hardy's Collected Works; he was chief editor for the last two of the seven volumes.
He was an extremely generous mathematician, always striving to help and encourage his students to develop and sharpen their ideas. Indeed, he would help anyone who sent him a mathematical manuscript in this way.
He leaves a wife and two daughters whom he greatly loved.
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