K._V._Iyer--Swami_Vivekananda

Kolar Venkatesh Iyer, known as K. V. Iyer (1897-1980) was a gymnast, bodybuilder, proponent of Indian physical culture, and author of books including the 1930 Muscle Cult: A Pro-Em for My System. He contributed to the development of modern yoga as a system of exercise.
He was "possibly the most high-profile Indian advocate of physical culture in the first half of the twentieth century."