A chemistry professor and scientist at Columbia University who used science to solve crimes. He used advanced techniques such as psychoanalysis and (at the time, cutting edge) technology such as lie detectors, gyroscopes, x-rays and portable seismographs as crime solving tools.Kennedy smoked a pipe, carried a revolver, was a good fighter (good enough to disarm a man with a knife) and was a master of disguise. He aided Elaine Dodge in tracking down The Clutching Hand, who killed her father. He also tracked down Wu Fang and The Clutching Hand II.