Thomas John I'Anson Bromwich
| Thomas John I'Anson Bromwich | |
|---|---|
 |
|
| Born |
8 February 1875 Wolverhampton, Staffordshire |
| Died | 24 August 1929 (aged 54) Northampton, Northamptonshire |
| Alma mater | St John's College, Cambridge |
Thomas John I'Anson Bromwich (1875–1929) was an English mathematician, and a Fellow of the Royal Society.
Thomas John I'Anson Bromwich was born on 8 February 1875, in Wolverhampton, England. He was descended from Bryan I'Anson, of Ashby St Legers, Sheriff of London and father of the 17th century 1st Baronet Sir Bryan I'Anson of Bassetbury.
His parents emigrated to South Africa, where in 1892 he graduated from high school. He attended St John's College, Cambridge, where in 1895 he became Senior Wrangler. In 1897, he became a lecturer at St. John’s. From 1902 to 1907, he was a professor of mathematics at Queen’s College, Galway. In 1906, he was elected a Fellow of the Royal Society. In 1907, he returned to Cambridge and again became a Fellow and lecturer at St. John’s. He was a vice president of the Royal Society in 1919 and 1920. He died in Northampton on 24 August 1929, a suicide.
Bromwich worked in both algebra and analysis. G. H. Hardy called him "The best pure mathematician among the applied mathematicians at Cambridge, and the best applied mathematician among the pure mathematicians".
Today, Bromwich is perhaps best known for justifying Oliver Heaviside's operator calculus. Part of this involved using a contour integral to do an inverse Laplace transform. This particular contour integral is now often called the Bromwich integral, although it is also called by other names.
Other topics Bromwich investigated include solutions of the Maxwell's equations, and the scattering of electromagnetic plane waves by spheres. He also investigated, and wrote a book on, the theory of quadratic forms.
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