Professor Craig Kennedy is a scientist detective at Columbia University similar to Sherlock Holmes. He uses his knowledge of chemistry and psychoanalysis to solve cases, and uses exotic devices in his work such as lie detectors, gyroscopes, and portable seismographs.
Novels:
The Dream Doctor
The War Terror
The Social Gangster
The Ear in the Wall
Gold of the Gods
The Exploits of Elaine
The Romance of Elaine
The Soul Scar
The Film Mystery
Short Stories:
The Silent Bullet
The Scientific Cracksman
The Bacteriological Detective
The Deadly Tube
The Seismograph Adventure
The Diamond Maker
The Azure Ring
"Spontaneous Combustion"
The Terror in the Air
The Black Hand
The Artificial Paradise
The Steel Door
The Poisoned Pen
The Yeggman
The Germ of Death
The Firebug
The Confidence King
The Sand-Hog
The White Slave
The Forger
The Unofficial Spy
The Smuggler
The Invisible Ray
The Campaign Grafter
The Treasure Train
The Truth-detector
The Soul-analysis
The Mystic Poisoner
The Phantom Destroyer
The Beauty Mask
The Love Meter
The Vital Principle
The Rubber Dagger
The Submarine Mine
The Gun-runner
The Sunken Treasure