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
Death and funeral of Margaret Thatcher polarised views about Thatcher on Twitter, and endorsing campaigns and demonstrations. Anti-Thatcher sentiment prompted a campaign on social media networks to bring the song "Ding-Dong! The Witch Is Dead" from "The Wizard of Oz" into the UK Singles Chart, followed by a counter-campaign adopted by Thatcher supporters in favour of the 1979 tongue-in-cheek punk song "I'm in Love with Margaret Thatcher" by the Notsensibles, which had been started by the band's lead singer. On 12 April 2013, "Ding-Dong!" charted at number 2 across the UK (it made number 1 in Scotland), and "I'm in Love with Margaret Thatcher" at number