Professor Denny Mitchison was a pioneer in the search for a cure for tuberculosis. It was once one of the biggest killers in the world. Show more
Discover 11,128,835 listings and 279,588 playable programmes from the BBC
Professor Denny Mitchison was a pioneer in the search for a cure for tuberculosis. It was once one of the biggest killers in the world. Show more
The BBC's international radio station
