Grantham Grantham Grantham ( ) is a town in the South Kesteven district of Lincolnshire, England. It straddles the London–Edinburgh East Coast Main Line and the River Witham and is bounded to the west by the A1 north–south trunk road. Grantham lies about south of the county town, the City of Lincoln and about east of Nottingham. The population in 2016 was put at 44,580 Grantham was the birthplace of the UK Prime Minister Margaret Thatcher. Isaac Newton was educated at its King's School, while Thomas Paine worked there as an excise officer in the 1790s. Grantham-born Edith Smith became the
Isaac Newton Telescope Isaac Newton Telescope The Isaac Newton Telescope or INT is a 2.54 m (100 in.) optical telescope run by the Isaac Newton Group of Telescopes at Roque de los Muchachos Observatory on La Palma in the Canary Islands since 1984. Originally the INT was situated at Herstmonceux Castle in Sussex, England, which was the site of the Royal Greenwich Observatory after it moved away from Greenwich due to light pollution. It was inaugurated in 1967 by Queen Elizabeth II. Herstmonceux suffered from poor weather, and the advent of mass air travel made it plausible for UK astronomers to run an