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John Purser (mathematician)

John Purser
Sarah Purser, portrait of John Purser.jpg
Portrait by his cousin Sarah Purser
Born (1835-08-24)August 24, 1835
Dublin, Ireland
Died October 18, 1903(1903-10-18) (aged 68)
Dublin, Ireland
Fields Mathematics
Institutions Queen's College, Belfast
Alma mater Trinity College, Dublin
Notable students Joseph Larmor, John Henry MacFarland, William McFadden Orr

John Purser (1835–1903) was an Irish mathematician, who was professor at Queen's College, Belfast.

Son of John Tertius Purser (1809–1893), the general manager of the well known brewery Guinness, Purser was educated in a wealthy family, which included artists, as his cousin Sarah Purser, or engineers, as his brother-in-law John Purser Griffith. He studied in Trinity College, Dublin, graduating BA in mathematics in 1856.

The following years Purser was tutor to the children of Lord Rosse, Lawrence and Charles. In 1863, he was appointed professor of mathematics at Queen's College, Belfast, he was in place until his retirement in 1901.

Purser is much better known as a teacher than as a researcher, and he had a good number of notable students, including Sir Joseph Larmor, theoretical physicist who served as Lucasian Professor of Mathematics at the University of Cambridge, Sir John Henry MacFarland, who became Chancellor of Melbourne University; and William McFadden Orr.


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