Background
He was born in Workington and brought up in Carlisle.
He was born in Workington and brought up in Carlisle.
Magdalen College.
He received his Doctorate.Phil. in mathematics in 1954 from Magdalen College, Oxford. During World World War II, he left his undergraduate studies at Oxford University for Bletchley Park, to help crack German codes with a small group of mathematicians which included Alan Turing. After graduation, he was a teacher at Westminster School, London and then The Royal Military College of Science.
In 1954 he wrote three hugely influential papers in the Journal of the London Mathematical Society, laying the foundations of inverse semigroup theory.
Before Gordon and First Rate (at Lloyd's) Clifford"s book, The algebraic theory of semigroups (Volume(s) 1 1961) (Volume(s) 2 1967) and the Russian, East South Lyapin"s, Semigroups (1960) there was no systematic treatment of semigroups. In 1963, Professor Preston moved to Australia to take up the chair of mathematics at Monash University, Melbourne.
Professor Preston was an important contributor to algebraic semigroup theory and a respected head of school during his various Monash appointments from 1963 until his retirement in 1990. He subsequently spent six months each year in both Oxford, United Kingdom, and Melbourne, Australia, passing away peacefully on 14 April 2015 in Oxford at age 89.