James Cullen (mathematician)
Template:Short description Template:Jesuit Template:Use dmy dates Template:Use Hiberno-English Father James Cullen, S.J. (19 April 1867 – 7 December 1933) was an Irish mathematician.
He was born at 89 West Street, Drogheda, County Louth, to Michael Cullen, a baker, and Catherine McDonough.<ref>Template:Cite web</ref> Initially, he was educated privately, then by the Christian Brothers.<ref>Fr James Cullen SJ - Biography Fermat Search.</ref> He studied pure and applied mathematics at Trinity College, Dublin, then at Mungret College, Limerick, before deciding to become a Jesuit. He studied in England in Mansera House, and St. Mary's, and was ordained as a priest on 31 July 1901.<ref name=tablet/>
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.<ref>Template:Cite journal With a biographical sketch of James Cullen by T. G. Holt and a supplement by Keller and Wolfgang Niebuhr.</ref>
He ended up looking after accounts for the English province of the Jesuits, while contributing to mathematics journals.<ref name=tablet>Template:Cite news</ref>
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