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
The President of the United States, Detective exception, readers and critics disapproved of the story". The "Glasgow Herald" called it a "stand-out" and "stupendous"; however, "The Encyclopedia of Science Fiction" considers it "eccentric". The story has been cited as an early example of geoengineering in fiction. The President of the United States, Detective The President of the United States, Detective is a science fiction/mystery short story by H. F. Heard. It was originally published in "Ellery Queen's Mystery Magazine" in March 1947, and subsequently republished in "Ellery Queen's Mystery Magazine" in April 1969 and February 1991, in the 1949 anthology "The Queen's Awards", and in the 1975