Coulson left his chair in London in 1952 when he was appointed Rouse Ball Professor of Mathematics at the University of Oxford where he was also made a fellow of Wadham College.
Coulson kaliwa kanyang upuan sa London sa 1952 kapag siya ay hihirangin pakilusin Ball Propesor ng Matematika sa Unibersidad ng Oxford kung saan siya rin ay ginawa ng isang tao ng Wadham College.