Arthur Reeve was an early 20th century American mystery writer. His character Professor Craig Kennedy is the American counterpart of Sherlock Holmes. 82 Craig Kennedy stories were published in Cosmopolitan and later collected into 12 volumes. From the beginning of Constance Dunlap, "Even when he had thus barricaded himself, he paused to listen with all the elemental fear of the cave man who dreaded the footsteps of his pursuers. In the dim light of the studio apartment he looked anxiously for the figure of his wife. Constance was not there, as she had been on other nights, uneasily awaiting his return. What was the matter? His hand shook a trifle now as he turned the knob of the bedroom door and pushed it softly open."