The launch of No Limits: The Disabled People’s Movement, A Radical History, took place last Friday (12 July), and was attended by its author, Judy Hunt, on the 40th anniversary of the death of her husband, Paul. It was Paul Hunt’s letter to the Guardian in 1972 which led to the formation of the Union of the Physically Impaired Against Segregation (UPIAS), which itself was to play a crucial role in the development of the movement and what was later known as the social model of disability.