Education
Ridley was educated at Clifton College and Balliol College, Oxford.
Ridley was educated at Clifton College and Balliol College, Oxford.
From 1920 to 1945 he was a Fellow and Tutor of Balliol. Ridley spent 1930-1931 as a visiting professor at Bowdoin College under the auspices of the Tallman Foundation. He was a Lecturer at Bedford College from 1948.