Brian McGuinness

Brian McGuinness (22 October 1927 – 23 December 2019) was a Wittgenstein scholar best known for his translation, with David Pears, of the "Tractatus-Logico-Philosophicus".
He was christened with the forenames "Bernard Francis" but changed his name to "Brian" in his youth. He commonly published, and was cited, as B. F. McGuinness.
Formerly a tutee of RM Hare, McGuinness was a Fellow and Tutor at Queen's College in Oxford University from 1953 to 1988, and took a post at the Netherlands Institute for Advanced Study. In 1990, he became a professor at the University of Siena, Italy. From 1990 to 1993, he was director of the faculty of philosophy and social sciences of this university. During his time at Queen's, he was an invited speaker at the Oxford Socratic Club, speaking with J. D. Mabbott on "The Problem of Free Will" on 14 November 1955.
Family.
His son, Paddy McGuinness, is a British civil servant who is currently the Deputy National Security Adviser for Intelligence.