Saint Charles Borromeo: A Sketch of the Reforming Cardinal by STACPOOLE-KENNY, Louise M.

Charles Borromeo was the cardinal archbishop of the Catholic Archdiocese of Milan from 1564 to 1584. He was a leading figure during the Counter-Reformation and was responsible for significant reforms in the Catholic Church, including the founding of seminaries for the education of priests. He is honoured as a saint in the Catholic Church and his feast day is November 4. (Summary from Wikipedia)