William Esson

William Esson, FRS (17 May 1838 – 28 August 1916) was a British mathematician.

Early life
He was born in Carnoustie, Scotland.

Esson attended St John's College, Oxford.

Career
He then became a Fellow of Merton College. In 1892, he became the Savilian Professor of Geometry at the University of Oxford, based at New College. He worked on problems in chemistry with Augustus George Vernon Harcourt.

In 1869 he was elected a Fellow of the Royal Society and in 1895 delivered, jointly with Harcourt, their Bakerian Lecture ''on the Laws of Connexion between the Conditions of a Chemical Change and its Amount. III. Further Researches on the Reaction of Hydrogen Dioxide and Hydrogen Iodide''.

He was on the governing body of Abingdon School until 1900.

Personal life
In 1874, Esson leased 13 Bradmore Road in North Oxford. He died in Abingdon, England.