Please answer the following question: Information: - The London and North Eastern Railway ( LNER ) Thompson Class B2 was a class of 4 - 6 - 0 steam locomotive . It was introduced in 1945 as a two - cylinder rebuild ( with diagram 100A boiler ) of the three - cylinder LNER Class B17 . Ten were rebuilt from Class B17 but no more were rebuilt because of the success of the LNER Thompson Class B1 . - The Great Eastern Main Line (GEML, sometimes referred to as the East Anglia Main Line) is a major railway line on the British railway system which connects Liverpool Street station in central London with destinations in east London and the East of England, including , , , , and , as well as a number of coastal resorts including , Southend-on-Sea and . Its numerous branches also connect the main line to such destinations as , Harwich, , and . - The London and North Eastern Railway (LNER) Thompson Class B1 is a class of steam locomotive designed for medium mixed traffic work. It was designed by Edward Thompson. - The Railways Act 1921 (c. 55), also known as the Grouping Act, was an Act of Parliament enacted by the British government of David Lloyd George intended to stem the losses being made by many of the country's 120 railway companies, move the railways away from internal competition, and to retain some of the benefits which the country had derived from a Government-controlled railway during and after the Great War of 1914-1918. The provisions of the Act took effect from the start of 1923. - The London and North Eastern Railway (LNER) was the second largest of the "Big Four" railway companies created by the Railways Act 1921 in Britain. It operated from 1 January 1923 until nationalisation on 1 January 1948. At that time, it was divided into the new British Railways' Eastern Region, North Eastern Region, and partially the Scottish Region. - London is the capital and most populous city of England and the United Kingdom, as well as the most populous city proper in the European Union. Standing on the River Thames in the south east of the island of Great Britain, London has been a major settlement for two millennia. It was founded by the Romans, who named it "Londinium". London's ancient core, the City of London, largely retains its medieval boundaries. Since at least the 19th century, "London" has also referred to the metropolis around this core, historically split between Middlesex, Essex, Surrey, Kent, and Hertfordshire, which today largely makes up Greater London, governed by the Mayor of London and the London Assembly. - The London and North Eastern Railway (LNER) Class B17, also known as "Sandringham" or "Footballer" class was a class of 4-6-0 steam locomotive designed by Sir Nigel Gresley for hauling passenger services on the Great Eastern Main Line. In total 73 were built. What entity does 'lner thompson class b2' has the relation 'designer' with?
Answer:
edward thompson