August Vollmer (1876-1955) was the first police officer chief in suggest <em>"higher education as the central element for professionalizing the police, for giving them dignity and rising their social status"</em>. Moreover, he was the first police chief who created a motorized force and in cars and the first to use the lie detector.
Orlando W. Wilson (1900-1972) Started the planning, installed records, completely reorganized the departmental structure lengthened training, emphasized college education and instituted communications. Moreover, he was known for his <em>"Ethical behavior and for eliminating police corruption" </em>Manual.
