Beloved in his day, Kola Venkatesh Iyer (1898 – 1980) helped usher posturework into the 20th century. He was an early adopter of Surya Namaskar
This newspaper page is a time machine. It describes the first teaching of yoga postures in America–by the famous Swami Vivekananda. It also calls yoga a fad in New York–in 1898.