John Truss.

About John Truss

John Kenneth Truss is an English mathematician. He is an emeritus professor of pure mathematics at the University of Leeds where he specialises in mathematical logic, infinite permutation groups, homogeneous structures and model theory. Truss began his career as a junior research fellow at the University of Oxford before holding a series of academic positions and lastly joining the University of Leeds. He has written books on discrete mathematics (1991) and mathematical analysis (1997) and was co-editor in chief of the Journal of the London Mathematical Society until June 2003. He is the father of the former Prime Minister of the United Kingdom, Liz Truss.