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
Wallace E. Pratt House Service employees. The house is occasionally open for tours sponsored by the National Park Service. The house was featured on the National Trust for Historic Preservation's 2018 list of most-endangered historic locations. It was listed on the National Register of Historic Places on December 15, 2011. Wallace E. Pratt House The Wallace E. Pratt House, also known as Ship On The Desert (sometimes hyphenated), was the residence of Wallace Pratt in what is now Guadalupe Mountains National Park in far western Texas. Pratt, a petroleum geologist for the Humble Oil & Refining Company, had previously built the Wallace Pratt Lodge