Who is credited as the father of American police professionalism and served as chief of police in Berkeley from 1905 to 1932?

The father of American police professionalism is August Vollmer, who made significant contributions to the evolution of policing in the United States. Serving as the chief of police in Berkeley, California, from 1905 to 1932, Vollmer was instrumental in advocating for the modern principles of policing that emphasized the importance of education, scientific methods, and ethical standards within police work. He was also a strong proponent of the use of technology and innovative practices, including the establishment of one of the first police training schools. Vollmer's efforts shaped the foundational policies and practices that contributed to the professionalism of law enforcement agencies across the country. His influence extended beyond Berkeley, as his ideas were adopted by police reformers nationwide, making him a pivotal figure in the history of American law enforcement.