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.[1] Initially, he was educated privately, then by the Christian Brothers.[2] 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.[3]
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.[4]
He ended up looking after accounts for the English province of the Jesuits, while contributing to mathematics journals.[3]