The document summarizes the work of social entrepreneur Arunachalam Muruganantham from India who invented a low-cost machine for making sanitary pads after recognizing that many women in rural India could not afford commercially available pads. His invention has helped generate awareness about menstruation and women's health issues in rural communities by making pads more affordable and accessible. The document also outlines the design thinking process he followed which included empathizing with people's needs, exploring ideas through many failed prototypes before succeeding, and creating a solution to improve people's lives according to their needs.