Clemens Bartollas Clemens Bartollas is Professor of Sociology at the University of Northern Iowa as well as a Presbyterian minister. Areas of specialization and courses he has taught include criminology, youth violence, gangs, and correctional treatment. He has publised widely in the field of criminal justice and criminology including books on juvenile justice and delinquency, women and the criminal justice system, and correctional treatment. Professor Bartollas has also published biographies on Emile Cailliet (with Abigail Adams), Norman Carlson, and Thomas Richard Ross. Read More Read Less