Ada María Isasi-Díaz was a prominent Puerto Rican theologian and feminist scholar known for her work in liberation theology. She focused on the intersection of faith and social justice, advocating for the rights of marginalized communities, particularly women in Latin America. Her contributions helped shape discussions around gender and theology within the context of Catholicism. Isasi-Díaz is best known for her concept of "mujerista theology," which emphasizes the experiences and struggles of Latina women. She sought to create a theological framework that addresses their unique challenges, drawing from both feminism and Christianity. Her work continues to influence contemporary discussions on gender and faith.