Lillian Wald was an American nurse, social worker, and activist born in 1867. She is best known for founding the Henry Street Settlement in New York City, which provided essential services to the poor, including healthcare, education, and cultural programs. Wald's work focused on improving living conditions for immigrants and advocating for social reform. Wald was also a prominent figure in the public health movement and played a key role in establishing the Children's Bureau in 1912. Her efforts contributed to significant advancements in social justice, women's rights, and healthcare access, making her a vital figure in American history.