Annie Besant (1847-1933) was a British writer, social activist, and spiritual leader who played a significant role in the Theosophical Society, a spiritual organization. Besant was born in London and grew up in a middle-class family. She became interested in social and political activism as a young woman and was a prominent advocate for women's rights, workers' rights, and Indian self-rule. In the late 19th century, Besant became interested in spiritualism and the occult, and she joined the Theosophical Society. Besant was a prolific writer and speaker on a wide range of topics, including Theosophy, Hinduism, and women's rights. She authored numerous books, including "An Introduction to Yoga," and was a popular lecturer in both Europe and India. Besant was also involved in politics and was a member of the Indian National Congress. She was instrumental in the Home Rule movement in India and was later elected as the first female president of the Indian National Congress. Overall, Annie Besant was a complex and influential figure in the late 19th and early 20th centuries, who made significant contributions to social activism, spirituality, and political movements.