Grantham and eminent past students. Britain's first female Prime Minister, Margaret Thatcher, attended Kesteven and Grantham, and Isaac Newton famously attended The King's. Both have remained single-sex up to the age of 16. In 1970, Kesteven County Council (based in Sleaford) announced plans to turn the grammar schools into co-educational comprehensives for ages of 11–16 and leave Grantham College the only sixth form for the town. Later it was proposed to create two sixth-form colleges from one of the grammar schools. Other parts of Kesteven became comprehensive but responsibility for education passed to Lincolnshire under the local government reorganization of 1974,
Isaac Todd Isaac Todd Isaac Todd (c. 1742 – 1819) was one of Montreal's most prominent merchants following the British Conquest of New France and a founding member of the Beaver Club at Montreal and the Canada Club at London. He was one of the earliest partners in the North West Company before it was formalized, but was better known for his partnership with James McGill. In 1812, he purchased Buncrana Castle in Inishowen, County Donegal, which he left to his nephew, William Thornton-Todd, the younger brother of Andrew Todd. Isaac Todd was born around 1742 into a wealthy merchant family at