He attended Dragon School in Oxford and Rugby School, and at New College, Oxford.He won a prize fellowship at All Souls College, Oxford.
In WW2 , he was in the Royal Navy Volunteer Reserve.and served as the torpedo officer of a destroyer. He was awarded the Distinguished Service Cross in 1942.
He became a member of the Institut de Droit International in 1973. He was knighted in ‘84 and became QC in ‘85.