Who is Dr. John Locke from The Concrete Blonde and what is their importance?

A gray-bearded, bald man with glasses, Dr. Locke is the picture of a university professor. He is a researcher of aberrant sexual behavior, conducting wide-ranging studies on psycho sexual dynamics. As a founder of this unit of study, he is an expert on sexual behavior considered to be unacceptable by society. He has also contributed several articles and multiple books on the subject. His office is located in what he refers to as the dungeon of the Southern California University, and he is eager to find a way into an office upstairs with an appearance of respectability.