Dr. John Thorndyke is a fictional detective in a series of novels. He is a medical jurispractitioner - originally a medical doctor, he turned to the bar and became one of the first, in modern parlance, forensic scientists. His solutions were based on his method of collecting all possible data (including dust and pond weed) and making inferences from them before looking at any of the protagonists and motives in the crimes. It is this method which gave...