Lewis Hine was an American photographer and sociologist, born on September 26, 1874. He is best known for his powerful images that documented child labor in the early 20th century. Hine's work played a crucial role in raising public awareness about the harsh conditions faced by children in factories and mines, ultimately contributing to labor reforms. Hine used photography as a tool for social change, capturing the struggles and resilience of working-class individuals. His images often highlighted the importance of education and the need for better labor laws. Today, Hine's legacy continues to influence documentary photography and social justice movements.