Anthony E. Pratt Birmingham that manufactured components for tanks. Working on a drilling machine, he found the work tedious, but it gave him time to think, including about the ideas behind Cluedo. It was during the Second World War that Pratt had the idea for a murder mystery board game. The idea for Cluedo came from his days spent playing musical concerts in country hotels where part of the evening's entertainment would have been murder mystery games. These would involve both actors and hotel guests playing the characters in a plot which involved the murder of one or more of the guests. The
Mystery fiction contribution to mystery fiction in the 1920s was the development of the juvenile mystery by Edward Stratemeyer. Stratemeyer originally developed and wrote the Hardy Boys and Nancy Drew mysteries written under the Franklin W. Dixon and Carolyn Keene pseudonyms respectively (and were later written by his daughter, Harriet Adams, and other authors). The 1920s also gave rise to one of the most popular mystery authors of all time, Agatha Christie, whose works include "Murder on the Orient Express" (1934), "Death on the Nile" (1937), and the world's best-selling mystery "And Then There Were None" (1939). The massive popularity of pulp