Sir David Attenborough is interviewed by Kirsty Young for Desert Island Discs.
BBC Radio 4
Tim Boon tells the story of Percy Smith, a pioneer in the art of the natural history film.
BBC Radio 4 Extra
2/5 Two million years ago in Tanzania, a chipped stone marked the emergence of modern humans.
John McCarthy talks to Sir David Attenborough about his early journeys abroad.
2/2 Rod Liddle considers the cat and the dog.
David Attenborough hosts a celebration of bird impersonator Percy Edwards.
3/9 David Attenborough nominates the largely forgotten 17th-century inventor and illustrator.