Big Ben - the name of the largest of the six bells of Westminster Palace in London, often the name refers to the clock and clock tower as a whole , which since September 2012 has officially called the "Tower of Elizabeth" .storyThere are two theories as to the origin of the name. The first is that the most difficult at the time the bell - 13.7 tons - gets its name Big Ben (Big Ben) after Sir Benjamin Hall, who supervised the casting of the bell. According to another, the Big Ben was named after Benjamin County, very popular at the time the boxer in the heavyweight division.