Mother Teresa - The Nun Who Became A Saint

The History Hour - A podcast by BBC World Service - Saturdays

Life with Mother Teresa among the poorest of the poor in Calcutta, how the World Health Organisation came to realise that obesity was a global problem and Eleanor Roosevelt in the White House. Plus the immortal cells of Henrietta Lacks - a remarkable story of one woman's impact on medical research.(PHOTO: AP Mother Teresa holds a child in 1978)