Roger Deakin, wild swimmer and author of Waterlogged - a podcast by BBC Radio 4

Matthew Parris travels along the Thames to meet Nick Hayes - illustrator and author of The Book of Trespass - to discuss the life of Roger Deakin. They also enjoy a naked swim. Joining them, in his pants, is Patrick Barkham. His new biography of Roger Deakin is published this year.

The producer in Bristol is Miles Warde.

Further episodes of Great Lives

Further podcasts by BBC Radio 4

Website of BBC Radio 4