ZIGLIARA, TOMMASO MARIA. - Dominican philosopher and theologian, born at Bonifacio in Corsica on 29 Oct. 1833, died at Rome on 10 May 1893.
He studied at Rome and Perugia, where he was ordained priest on 17 May 1857. Professor of philosophy and theology at Rome, at Corbara in Corsica, at Viterbo and again at Rome, at the Minerva, where he was also regent of studies in the Collegium S. Thomae. Created cardinal in 1879 by Leo XIII, in 1893 he opted for the suburbicarian see of Frascati, but died before receiving episcopal consecration.
His works are numerous and important: *Saggi sui principi del tradizionalismo* (Viterbo 1865); *Osservazioni sopra alcune interpretazioni della dottrina ideologica di S. Tommaso d'Aquino, del prof. G. C. Ubughs* (ibid. 1870); *Della luce intellettuale e dell'ontologismo* (2 vols., Rome 1871); *Summa Philosophica in usum Scholarum* (ibid. 1876); a classical work, widely diffused in 17 subsequent editions; *De mente Concilii Viennensis in definitione unionis animae cum corpore* (Rome 1878); *Commentaria s. Thomae in Aristotelis libros Perierhenneias et Posteriorum Analyticorum, cum synopsis et annotationibus* (ibid. 1882); it is the volume of the Leonine edition of the works of St. Thomas; *Propedeutica ad Sacram Theologiam seu Tractatus de Ordine supernaturali* (ibid. 1890); notable for the vigorous defence of the supernatural. Z. was one of the most distinguished neo-scholastics, who effectively cooperated in the revival of Christian philosophy in the spirit of St. Thomas. Well-known and esteemed throughout the Catholic world, he was held in particular consideration by Leo XIII, who employed him in the drafting of numerous encyclicals. Z. was distinguished for the excellence and harmony of his intellectual and moral gifts, by which he was dear to his friends and not displeasing to his adversaries.