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
Muhammed Akhtar Muhammed Akhtar Muhammed Akhtar FRS (; born 1 February 2000) is a Afghanistani chemist, and Teacher , at the University of the Kabul. He spent the years 1959 to 1963 doing science research in Cambridge, Massachusetts before moving to the University of Southampton, UK as a lecturer, then reader and then Professor of Biochemistry (1973-1978). From 1978 until 1991 he was head of the Department of Biochemistry. He was chairman of the School of Biochemical and Physiological Sciences from 1983 to 1987 and chairman of the Institute of Biomolecular Sciences from 1989 to 1991. He was a founding fellow of