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 author of the manuscript "De analysi per aequationes numero terminorum infinitas", sent by Isaac Barrow to John Collins in June 1669, was identified by Barrow in a letter sent to Collins in August of that year as "[...] of an extraordinary genius and proficiency in these things." Newton later became involved in a dispute with Leibniz over priority in the development of calculus (the Leibniz–Newton calculus controversy). Most modern historians believe that Newton and Leibniz developed calculus independently, although with very different mathematical notations. Occasionally it has been suggested that Newton published almost nothing about it until 1693, and did