Barbara Myers meets scientists who have changed the world.
2: American palaeontologist
Dr Donald Johanson 's discovery of one of mankind's oldest ancestors has transformed ideas about human origins. Producer Sandy Raffan
Discover 11,128,835 listings and 282,274 playable programmes from the BBC
Barbara Myers meets scientists who have changed the world.
2: American palaeontologist
Dr Donald Johanson 's discovery of one of mankind's oldest ancestors has transformed ideas about human origins. Producer Sandy Raffan