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In September 2016, it was announced that Mother Teresa was - so she is certainly deserving of a place in this chapters.
At the age of 12, Teresa - who was a Roman Catholic - decided that she wanted to go to India to spread the Christian message and help people.
So this she did. In 1929, she travelled to India and she ended up dedicating her life to helping poor people, particularly in the Indian city of Kolkata. She described her work as God's work.
While she was there, she started something called the Missionaries of Charity. This group now has thousands of people in almost 90 countries helping people living in poverty all over the world.
In 1979 she received the Nobel Peace Prize for her work. She asked that the big dinner to mark this was cancelled and all of the money given to the poor people of Kolkata.
It is said that she only had two possessions of her own - a bucket and two saris. To this day, she is remembered by how much she loved and cared for people, and praised as a Saint.
She founded a new sisterhood, Missionaries of Charity. Mother Teresa and her helpers built homes for orphans, nursing homes for lepers and hospices for the terminally ill in Calcutta. Mother Teresa organization also engaged in aid work in other parts of the world.
