|Born||23 May 1928|
Merton, London, England
|Alma mater||St Paul's, The Queen's, Oxford|
|Awards||Berwick Prize (1959)|
Senior Whitehead Prize (1978)
|Doctoral advisor||J. H. C. Whitehead|
James was born in Croydon, Surrey, England, and was educated at St Paul's School, London and Queen's College, Oxford. In 1953 he earned a D. Phil. from the University of Oxford for his thesis entitled Some problems in algebraic topology, written under the direction of J. H. C. Whitehead.
In 1957 he was appointed reader in pure mathematics, a post which he held until 1969. From 1959 until 1969 he was a senior research fellow at St John's College. He held the Savilian Chair of Geometry at the University of Oxford from 1970 to 1995. He is now a professor emeritus.
He was elected a Fellow of the Royal Society in 1968. In 1978 the London Mathematical Society awarded him the Senior Whitehead Prize, which was established in honour of his doctoral supervisor, Whitehead. In 1984 he became President of the London Mathematical Society.
- Ioan James, Topologies and Uniformities (Springer Undergraduate Mathematics Series), Springer, 1999.
- Ioan James, Remarkable Mathematicians, From Euler to von Neumann, Cambridge University Press, 2002.
- Ioan James, Remarkable Physicists: From Galileo to Yukawa, Cambridge University Press, 2004.
- Ioan James, Asperger's Syndrome And High Achievement: Some Very Remarkable People, Jessica Kingsley Pub, 2005.
- Ioan James, Michael Fitzgerald, The Mind of the Mathematician, JHU Press, 2007.
- Ioan James, Driven to Innovate: A Century of Jewish Mathematicians and Physicists, Peter Lang Oxford, 2009.
- Ioan James, Remarkable Biologists: From Ray to Hamilton, Cambridge University Press, 2009.
- Ioan James, Remarkable Engineers: From Riquet to Shannon, Cambridge University Press, 2010.
- 'JAMES, Prof. Ioan Mackenzie', Who's Who 2008, A & C Black, 2008; online edn, Oxford University Press, Dec 2007 retrieved 27 March 2008
- GRO Register of Births: SEP 1928 2a 638 CROYDON - Ioan M. James, mmn - Surridge
- "Fellows". Royal Society. Retrieved 7 November 2010.
- London Mathematical Society. "List of Prizewinners". Archived from the original on 4 August 2007. Retrieved 8 July 2007.
- "Obituary: Rosemary Stewart - Pioneer academic who knew just what makes a good boss". Oxford Mail. 2 July 2015. Retrieved 18 August 2021.