Richard Horatio Edgar Wallace (April 1, 1875 - February 10, 1932) was a prolific British master of suspense and a pioneer of the modern thriller. Known for his incredible speed of writing, he published over 170 novels, creating a bridge between classic puzzles and action-packed police procedurals. His works, such as 'The Four Just Men,' introduced high-stakes intrigue and cinematic pacing to the genre. As one of the most widely read authors of the Golden Age, Wallace’s influence shaped the development of detective and gangster fiction for decades.