Left to right: Paul McCartney, George Harrison (1943 - 2001) and John Lennon (1940 - 1980) of the Beatles, backstage with the Maharishi Mahesh Yogi after he gave a lecture on transcendental meditation at the Hilton hotel, London, 25th August 1967. (Photo by C. Maher/Daily Express/Hulton Archive/Getty Images)
