James Cullen (mathematician)
Encyclopedia
Father James Cullen, S.J.
(19 April 1867 – 7 December 1933) was born at Drogheda
, County Louth
, Ireland
.
He studied mathematics at the Trinity College, Dublin
for a while, but eventually turned to theology
and was ordained as a Jesuit on 1 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 number
s in number theory
.
Society of Jesus
The Society of Jesus is a Catholic male religious order that follows the teachings of the Catholic Church. The members are called Jesuits, and are also known colloquially as "God's Army" and as "The Company," these being references to founder Ignatius of Loyola's military background and a...
(19 April 1867 – 7 December 1933) was born at Drogheda
Drogheda
Drogheda is an industrial and port town in County Louth on the east coast of Ireland, 56 km north of Dublin. It is the last bridging point on the River Boyne before it enters the Irish Sea....
, County Louth
County Louth
County Louth is a county of Ireland. It is part of the Border Region and is also located in the province of Leinster. It is named after the town of Louth. Louth County Council is the local authority for the county...
, Ireland
Ireland
Ireland is an island to the northwest of continental Europe. It is the third-largest island in Europe and the twentieth-largest island on Earth...
.
He studied mathematics at the Trinity College, Dublin
Trinity College, Dublin
Trinity College, Dublin , formally known as the College of the Holy and Undivided Trinity of Queen Elizabeth near Dublin, was founded in 1592 by letters patent from Queen Elizabeth I as the "mother of a university", Extracts from Letters Patent of Elizabeth I, 1592: "...we...found and...
for a while, but eventually turned to theology
Theology
Theology is the systematic and rational study of religion and its influences and of the nature of religious truths, or the learned profession acquired by completing specialized training in religious studies, usually at a university or school of divinity or seminary.-Definition:Augustine of Hippo...
and was ordained as a Jesuit on 1 July 1901.
In 1905, he taught mathematics at Mount St. Mary's College in Derbyshire
Derbyshire
Derbyshire is a county in the East Midlands of England. A substantial portion of the Peak District National Park lies within Derbyshire. The northern part of Derbyshire overlaps with the Pennines, a famous chain of hills and mountains. The county contains within its boundary of approx...
and published his finding of what is now known as Cullen number
Cullen number
In mathematics, a Cullen number is a natural number of the form n · 2n + 1 . Cullen numbers were first studied by Fr. James Cullen in 1905...
s in number theory
Number theory
Number theory is a branch of pure mathematics devoted primarily to the study of the integers. Number theorists study prime numbers as well...
.
See also
- Cullen numberCullen numberIn mathematics, a Cullen number is a natural number of the form n · 2n + 1 . Cullen numbers were first studied by Fr. James Cullen in 1905...
- List of Jesuit scientists
- List of Roman Catholic scientist-clerics