Scientist Sir Mark Walport champions the life of Sir Hans Sloane, founder of the British Museum. With Matthew Parris. From 2014.
Sir Mark Walport, the government's Chief Scientific Advisor, champions Sir Hans Sloane.
Along with expert Marjorie Caygill, he tells Matthew Parris why the British Museum founder is the mother and father of all collectors.
Produced by Perminder Khatkar.
First broadcast on BBC Radio 4 in April 2014.