John Kells Ingram

John Kells Ingram (7 July 1823 – 1 May 1907) 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.

John Kells Ingram
Born(1823-07-07)7 July 1823
Templecarne, near Pettigo
County Donegal, Ireland
Died1 May 1907(1907-05-01) (aged 83)
NationalityIrish
Occupation(s)mathematician, economist, poet, polymath
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