Anthony E. Pratt manufacture it. It was Waddingtons who renamed the game Cluedo (a combination of "Clue" and ""Ludo"", a Latin word meaning "I play"). But material shortages in post-war Britain meant the game did not go into production until 1949. Pratt was granted patent GB586817 'Improvements in Board Games' on 1 April 1947. After the end of the Second World War Pratt entered the British Civil Service working for the Ministry of Labour helping demobbed servicemen and women to return to peacetime work. In 1953, four years after Cluedo first went on sale, Waddingtons told Pratt that the game was not selling
Mystery fiction before the 1800s was due in part to the lack of true police forces. Before the Industrial Revolution, many of the towns would have constables and a night watchman at best. Naturally, the constable would be aware of every individual in the town, and crimes were either solved quickly or left unsolved entirely. As people began to crowd into cities, police forces became institutionalized, and the need for detectives was realized – thus the mystery novel arose. An early work of modern mystery fiction, "Das Fräulein von Scuderi" by E. T. A. Hoffmann (1819), was an influence on "The Murders