Philosopher and former Vice Chancellor of Oxford University. He was also known as G.J. Warnock.
He received his education at Winchester College after which he was in the Irish Guards, which was followed by a stint at New College, Oxford.
He was knighted during the New Year Honours in Britain in 1986.
He was born in Leeds, England. He married Mary Warnock, philosophy fellow at St. Hugh's College, Oxford.
He was once the Vice Chancellor of Oxford University where Dame Maggie Smith studied drama.