Rúhíyyih Rabbání (8 Aug 1910 - 19 Jan 2000), born as Mary Sutherland Maxwell and best known by the title Amatu'l-Bahá Rúhíyyih Khánum, was the wife of Shoghi Effendi, the Guardian of the Bahá'í Faith from 1921-1957. She was appointed by him as a Hand of the Cause, and travelled throughout the world, often visiting villages and indigenous communities, in service to the Bahá'í Faith. She was also the author of Prescription for Living and The Desire of the World, as well as being involved in a number of other written works and documentaries.