Muhammad Ali 21 during an elimination bout following Rocky Marciano's retirement. Mike Tyson broke both records in 1986 when he defeated Trevor Berbick to win the heavyweight title at age 20. Soon after the Liston fight, Clay changed his name to Cassius X, and then later to Muhammad Ali upon converting to Islam and affiliating with the Nation of Islam. Ali then faced a rematch with Liston scheduled for May 1965 in Lewiston, Maine. It had been scheduled for Boston the previous November, but was postponed for six months due to Ali's emergency surgery for a hernia three days before. The fight
Muhammad Ali the books of Inayat Khan, which contain Sufi teachings. Ali later moved away from Inayat Khan's teachings of Universal Sufism after traditional Sunni-Sufis criticized the movement as being contrary to the actual teachings of Sunni Islam. Muhammad Ali received guidance from Sunni-Sufi Islamic scholars such as Grand Mufti of Syria Almarhum Asy-Syaikh Ahmed Kuftaro, Shaykh Hisham Kabbani, Imam Zaid Shakir, Shaykh Hamza Yusuf, and Dr. Timothy J. Gianotti, who was at Ali's bedside during his last days and ensured that his funeral was in accordance with Islamic rites and rituals. In 1976 inventor Alan Amron and businessman Joel Sacher partnered