Paramhansa Yogananda a.k.a Mukunda Lal Ghosh belonged to a Bengali Kayastha family in the 20th century. He belonged to a middle-class Bengali family and had 8 siblings. From a very young age, Paramhansa Yogananda had attained greater spiritual knowledge than other children of his age. In the 1920s he was invited by American Unitarian Association as India's delegate to an International Congress of Religious Liberals after which he founded the Self-Realisation Fellowship to promulgate the ancient Indian teachings of yoga and meditation. His lectures were appreciated by people around the world, increasing the belief and followers of the SRF. His autobiography, The Autobiography of a Yogi, is listed amongst the "100 best spiritual books of the 20th century."