Eledath Thaikkattu Narayanan Mooss also known as E. T. Narayanan Mooss is an Ayurvedic physician and the Chief Physician and Managing Partner of Vaidyaratnam Oushadhasala. He was awarded the Padma Bhushan in 2010 for his contribution to the field of medicine specific to Ayurveda. He was born on October 2, 1933 in Ollur, Thrissur, Kerala State, India. He learned Ayurveda from his father, a well known Ayurvedic physician and Padmashri award recipient, and his uncle, Vayaskara N.S. Mooss. After early schooling by Gurukula system in Ollur, he joined family ayurvedic clinic to assist his father and later worked at Vaidyaratnam Oushadhasala, when his father founded it in 1944. Under the rigorous tutelage of his father, Narayanan Mooss developed into a physician, widely considered to be one of best exponents of traditional ayurveda in India, mastering the eight branches of ayurvedic system of medicine. He took over the reigns of the family establishment in 1954 and developed it into a group which now comprises an Ayurvedic Medical College, Two Hospitals, 25 depots, 800 retail outlets, a herbal farm, a Nursing College, an Ayurvedic Research Centre, three medicine manufacturing units and an Ayurvedic Museum.