Matthew Bannister on Betty Tebbs who devoted her life to fighting for women's rights and nuclear disarmament. Sir Peter Mansfield, the Nobel Prize winning physicist who led the development of MRI scanning. Dame Jennifer Jenkins, chairwoman of the Consumers Association and the National Trust. Hans Rosling the statistician known for his skill as a communicator who worked to end poverty. Al Jarreau the versatile singer who won Grammy awards for jazz, pop and R&B.