Christopher MoncktonChristopher Walter Monckton, 3rd Viscount Monckton of Brenchley is a politician, business consultant, policy adviser, writer, columnist, and inventor. He served as an advisor to Margaret Thatcher's policy unit in the 1980s and invented the Eternity pzzle at the end of the 1990s. He also announced a sequel to his original puzzle called Eternity II in 2007, and it is still unsolved. Read More Read Less