So those are the means employed? The Comte d'Origny, I presume? . . . I also saw that he locked you in . . . . But then the pneumatic letter? . . . Ah, through the window How careless of you not to close it
Maurice Leblanc (1864 - 1941) was a French novelist, best known as the creator of gentleman thief (later detective) Arsène Lupin.
Leblanc began as a journalist, until he was asked to write a short story filler, and created, more gallant and dashing than English counterpart Sherlock Holmes.