:::Yes, he has assumed a number of different aliases, esp. in self published works like "Beacon". The successor of Guru Dev stated however, regarding Mahesh: "In the ashram he was doing the work of typing and writing and translation. Then he became a sadhu. However, he has never practiced yoga." In the 60's Mahesh wrote a booklet on the yoga asanas, A Six Month Course in Yoga Asanas, still used in TM rounding and the TM-SP. Despite still using the title "yogi", the book states it was devised by a "Professor Hari Krishna" of the University of Travancore. It would be highly unusual for someone claiming the title "yogi" to not be a master of the standard yogic scriptures, which include the yoga asanas (i.e. the hatha-yoga asanas).