Aquinas, St Thomas
/əˈkwaɪnæs/- (1225-74) , Italian philosopher, theologian, and Dominican friar; known as the Angelic Doctor阿奎那, 圣托马斯（1225-1274, 意大利哲学家, 神学家, 多明我会修士, 通称“天使博士”）。
He is regarded as the greatest figure of scholasticism; one of his most important achievements was the introduction of the work of Aristotle to Christian western Europe. His works include commentaries on Aristotle as well as the Summa Contra Gentiles, intended as a manual for missionaries, and Summa Theologiae,the greatest achievement of medieval systematic theology. He also devised the official Roman Catholic tenets. Feast day, 28 January.