Giuseppe Pecci S.J. (13 December 1807 – 8 February 1890) was a Catholic Thomist theologian whose younger brother, Vincenzo, became Pope Leo XIII and appointed him a cardinal. The Neo-Thomist revival, which Leo XIII and his brother Giuseppe, Cardinal Pecci originated in 1879, remained the leading papal philosophy until Vatican II.
Read more about Giuseppe Pecci: Early Years, Professor, Cardinal, Thomism, Death