Saint cajetan
Summula caietani.
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Thomas Cajetan
15th/16th-century Italian philosopher and priest
For the saint, see Saint Cajetan.
Thomas CajetanOP (; 20 February 1469 – 9 August 1534), also known as Gaetanus, commonly Tommaso de Vio or Thomas de Vio,[3] was an Italian philosopher, theologian, the Master of the Order of Preachers 1508 to 1518, and cardinal from 1517 until his death.
He was a leading theologian of his day who is now best known as the spokesman for Catholic opposition to the teachings of Martin Luther and the Protestant Reformation while he was the Pope's legate in Augsburg, and among Catholics for his extensive commentary on the Summa Theologica of Thomas Aquinas.[4]
He is not to be confused with his contemporary Saint Cajetan, the founder of the Theatines.
Life
He was born in Gaeta, then part of the Kingdom of Naples, as Jacopo Vio. The name Tommaso was taken as his religious as a friar, while the surname Cajetan derives from his native city