The famous lawyer who became an advocate for children's rights is Marian Wright Edelman. As the founder of the Children’s Defense Fund, Edelman has dedicated her career to advocating for policies that improve the welfare and rights of children. Her work has focused on issues such as education, healthcare, and child poverty. Through her tireless activism, she has highlighted the challenges faced by marginalized children, influencing legislation that protects their rights and providing a voice for those who cannot advocate for themselves.