holds degrees from the universities of Edinburgh, Oxford, Glasgow and Blaise Pascal (Clermont-Ferrand). He is Honorary Professorial Research Fellow and Emeritus Professor of Logic and Rhetoric at the University of Glasgow. Among his many books are The Circle of John Mair
(1985), The Scottish Enlightenment
(2001) and A History of Scottish Philosophy
(Saltire Society Scottish History Book of the Year 2009). For 2010 - 13 he was the Principal Investigator of a Leverhulme-funded International network 'Scottish philosophers in 17th-century Scotland and France'.