Break-up of the Beatles Lennon was in a fragile state of mind after returning from the band's sojourn in India in early 1968 and was disillusioned and resentful that their Transcendental Meditation guru, Maharishi Mahesh Yogi, had not fulfilled Lennon's expectations. Lennon became discontented over his personal identity and his artistic role within the Beatles and entered another period of drug use, which coincided with a deterioration in his marriage and family life. He began to develop an intense interest in the work of Yoko Ono, a Japanese-American conceptual artist whom he had first met at one of her exhibitions in 1966. The pair
Guru Nanak as claims such as Guru Nanak's body vanishing after his death, are also found in later versions and these are similar to the miracle stories in Sufi literature about their "pirs". Other direct and indirect borrowings in the Sikh "janam-sakhis" relating to legends around Guru Nanak's journeys are from Hindu epics and Puranas and Buddhist Jataka stories. Guru Nanak appointed Bhai Lehna as the successor Guru, renaming him as Guru Angad, meaning "one’s very own" or "part of you". Shortly after proclaiming Bhai Lehna as his successor, Guru Nanak died on 22 September 1539 in Kartarpur, at the age of