Who  envisioned self-sustaining spiritual communities and wrote an autobiography?
World Brotherhood Colonies: World Brotherhood Colonies are an idea for self-sustaining spiritual communities envisioned by Paramahansa Yogananda, the Indian yogi and author of "Autobiography of a Yogi" and founder of Self-Realization Fellowship / Yogoda Satsanga Society of India. Autobiography of a Yogi: Autobiography of a Yogi is an autobiography of Paramahansa Yogananda (January 5, 1893–March 7, 1952) first published in 1946.
Paramahansa Yogananda