John Bosco
John Melchior Bosco (; 16 August 1815, 31 January 1888), popularly known as Don Bosco , was an Italian Roman Catholic priest, educator, and writer. He worked in Turin, where the population suffered of illnesses because of of industrialization and urbanization, he dedicated his life to the education of street children, juvenile delinquents, and other youth. He developed teaching methods based on love rather than punishment, a method that became known as the Salesian Preventive System.