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 Watt course. In 1842 Isaac Newton Watt's sister Elizabeth died, aged 25. This left Isaac's brother-in-law Frederick Thatcher a depressed widower. With few prospects, the brothers-in-law, now friends, left London to start life afresh in New Zealand. They sailed from Plymouth on the barque "Himalaya", and landed in New Plymouth, New Zealand, on 23 December 1843. At this time the colony consisted of 1091 people - 617 males and 474 females. In early 1844 Isaac started off as a merchant, and bought the Devon Hotel in New Plymouth. Frederick Thatcher started out as an architect in Wellington, and now his buildings