B. K. S. Iyengar is one of the foremost yoga instructors in the world, with more than 75 years of experience. He is the author of Light on Yoga and The Tree of Yoga. Yehudi Menuhin was one of the most renowned violinists of the 20th century, having received the French Order of Merit, the Glenn Gould Prize, and Kennedy Center Honors, among other awards. He first met B. K. S. Inyegar, who would become his personal yoga instructor, in 1952.