10,000 Hours: Sargy Mann

As a young man, Sargy Mann was a keen sportsman, drummed in a jazz band with Dudley Moore, and played a mean game of chess – even when blindfolded. But it was as a painter that he made his name. Diagnosed with cataracts at the age of 36, he eventually lost his sight completely, but as he explains to Laura Barber, he has always been interested in different ways of seeing