Listening to the radio gained rapidly in popularity during the 1920s, and crime writers, as usual, soon identified the potential of a pleasingly topical new setting for their mysteries. Walter S. Masterman duly published 2LO in 1928—the title refers to a station which began broadcasting from Marconi House in 1922, and was transferred to the newly created British Broadcasting Company the following year. [Martin Edwards, Miraculous Mysteries, 2017]