Who defeated Sunni Baru and helped to make Timbuktu a center of learning?

Sunni Baru was defeated by Askia Muhammad Ture in 1493. Askia Muhammad, who became the ruler of the Songhai Empire, is credited with transforming Timbuktu into a major center of learning and culture. Under his leadership, the city flourished as an intellectual hub, attracting scholars, poets, and theologians from across the Islamic world.