Knowledge without application is simply knowledge. Applying the knowledge to one's life is wisdom — and that is the ultimate virtue.
Arunachalam Muruganantham, is one such person who despite being a school dropout, has created wonders in the field of sanitation for women.
He is the inventor of inexpensive and easy-to-use sanitary napkins for women in rural India.
Hailing from Coimbatore in Tamil Nadu, Arunachalam has revolutionized the menstrual health of rural women by inventing a simple machine that can manufacture low cost sanitary pads.