Mother Teresa was a Catholic nun who founded the Missionaries of Charity in 1950 in Calcutta, India to help the poor and sick. Over her lifetime, she helped establish hospices, schools, and orphanages across India and in over 100 countries. Inspired by her humanitarian work, the Missionaries of Charity grew to include over 4,000 nuns and 100,000 volunteers. Mother Teresa received the Nobel Peace Prize in 1979 and was later named a saint by the Catholic Church.