Lincolnshire reaching between 4.7 and 5.3 on the Richter magnitude scale; it was one of the largest earthquakes to affect Britain in recent years. Lincolnshire is home to Woolsthorpe Manor, birthplace and home of Sir Isaac Newton. He attended The King's School, Grantham. Its library has preserved his signature, carved into a window sill when he was a youth. Bedrock in Lincolnshire features Jurassic limestone (near Lincoln) and Cretaceous chalk (north-east). For much of prehistory, Lincolnshire was under tropical seas, and most fossils found in the county are marine invertebrates. Marine vertebrates have also been found including ichthyosaurus and plesiosaur .
Margaret Thatcher her premiership. Thatcher was parodied by Wells in several media. He collaborated with Richard Ingrams on the spoof "Dear Bill" letters, which ran as a column in "Private Eye" magazine; they were also published in book form and became a West End stage revue titled "Anyone for Denis?", with Wells in the role of Denis Thatcher. It was followed by a 1982 TV special directed by Dick Clement, in which Thatcher was played by Angela Thorne. Since her resignation as Prime Minister in 1990, Thatcher has been portrayed in a number of television programmes, documentaries, films and plays. She was