Sri Aurobindo's close spiritual collaborator, Mirra Alfassa (b. Alfassa), came to be known as The Mother. She was a French national, born in Paris on 21 February 1878 (later she adopted Indian Nationality). In her 20s she studied occultism with Max Theon. Along with her husband, Paul Richard, she went to Pondicherry on 29 March 1914, and finally settled there in 1920. Sri Aurobindo considered her his spiritual equal and collaborator. After 24 November 1926, when Sri Aurobindo retired into seclusion, he left it to her to plan, build , guide and run the ashram, the community of disciples which had gathered around them. Some time later, when families with children joined the ashram, she established and supervised the Sri Aurobindo International Centre of Education with its experiments in the field of education. When he left his body in 1950, She continued their spiritual work, directed the ashram, and guided their disciples.