Mary Daly was an influential American feminist philosopher, theologian, and author, known for her critiques of traditional Christianity and patriarchy. Born on July 16, 1928, she became the first woman to earn a doctorate in theology from Boston College in 1966, where she later taught. Daly's notable works include "The Church and the Second Sex" and "Gyn/Ecology," which explore the intersection of gender and religion. She advocated for women's rights and empowerment, emphasizing the importance of a female-centered perspective in both spirituality and society. Her ideas have had a lasting impact on feminist theology and women's studies.