Education
Ridley was educated at Sedbergh School and Salisbury Theological College.
Ridley was educated at Sedbergh School and Salisbury Theological College.
He did not enter the Church, though he did gain a theology licentiate at Durham University. From 1925 to 1964, Ridley spoke every week at Speakers" Corner in London"s Hyde Park. Ridley was one of the founders of the Marxian League in 1930.
This small group might have become the British Section of Trotsky"s International Left Opposition, but in 1931 Ridley and another member, Chandu Ram (Human Resources Aggarwala) wrote Thesis on the British Situation, the Left Opposition and the Communist International, with which Trotsky disagreed.
Ridley then joined the Independent Labour Party, writing regularly in their paper. Following the Second World War, he was in close contact with the Council communist Anton Pannekoek.
Ridley was president of the National Secular Society from 1951 to 1963. He edited The Freethinker from 1951 to 1954.