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James Cullen (mathematician)


Father James Cullen, S.J. (19 April 1867 – 7 December 1933) was born at Drogheda, County Louth, Ireland.

At first he was educated privately, then by the Christian Brothers, he studied pure and applied mathematics at the Trinity College, Dublin for a while, he went to Mungret College, Limerick, before deciding to become a Jesuit, studying in England in Mansera House, and St. Mary's, and was ordained as a priest on 31 July 1901.

In 1905, he taught mathematics at Mount St. Mary's College in Derbyshire and published his finding of what is now known as Cullen numbers in number theory.

He ended up looking after accounts for the English province of the Jesuits, while contributing to mathematics journals.


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