Grantham Museum the first Curator and Founder, and 20th century additions included material about Sir Isaac Newton, Edith Smith and Margaret Thatcher. There is also material about the Dambusters Raid. The Museum hosts a variety of exhibitions during the year. The museum is currently managed by the Grantham Community Heritage Association (GCHA). This charity was formed in 2011 to take over the management of the museum from Lincolnshire County Council with a view to reopening the facility for the Queen's Jubilee in June 2012. In 2013, a few months before the death of Margaret Thatcher, the GCHA announced plans to raise funds
Isaac Newton Isaac Newton Sir Isaac Newton (25 December 1642 – 20 March 1726/27) was an English mathematician, physicist, astronomer, theologian, and author (described in his own day as a "natural philosopher") who is widely recognised as one of the most influential scientists of all time, and a key figure in the scientific revolution. His book "Philosophiæ Naturalis Principia Mathematica" ("Mathematical Principles of Natural Philosophy"), first published in 1687, laid the foundations of classical mechanics. Newton also made seminal contributions to optics, and shares credit with Gottfried Wilhelm Leibniz for developing the infinitesimal calculus. In "Principia", Newton formulated the laws of motion