Knox Manning(1904-1980)

He was the announcer and pitchman (for the sponsor Grove's Bromo Quinine Cold Tablets) on "The New Adventures of Sherlock Holmes", a radio series broadcast between 1940 and 1942, which starred Basil Rathbone and Nigel Bruce in the roles of Sherlock Holmes and Dr. Watson, which they had previously played in the 1939 films "The Hound of the Baskervilles" and "The Adventures of Sherlock Holmes". That same year, Rathbone and Bruce would begin starring in a new series of Sherlock Holmes films made by Universal.