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John Kells Ingram

John Kells Ingram

Irish mathematician and economist
John Kells Ingram was an Irish mathematician, economist and poet who started his career as a mathematician. He has been co-credited, along with John William Stubbs, with introducing the geometric concept of inversion in a circle. Wikipedia
Born: July 7, 1823, County Donegal, Ireland
Died: May 1, 1907 (age 83 years), Dublin, Ireland
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