Peter (or Petrus) Thyraeus (1546 – December 3, 1601) was a German Jesuit theologian. Thyraeus was born in

Neuss Neuss (; spelled ''Neuß'' until 1968; li, Nüss ; la, Novaesium) is a city in North Rhine-Westphalia, Germany. It is located on the west bank of the Rhine opposite Düsseldorf. Neuss is the largest city within the Rhein-Kreis Neuss district. It ...

, the brother of Herman Thyraeus, also a Jesuit theologian. He joined the Jesuits in 1561, and taught at Jesuit colleges in

Trier Trier ( , ; lb, Tréier ), formerly known in English as Trèves ( ;) and Triers (see also names in other languages), is a city on the banks of the Moselle in Germany. It lies in a valley between low vine-covered hills of red sandstone in the ...

and

Mainz Mainz () is the capital and largest city of Rhineland-Palatinate, Germany. Mainz is on the left bank of the Rhine, opposite to the place that the Main joins the Rhine. Downstream of the confluence, the Rhine flows to the north-west, with Ma ...

from 1574. In 1590, he was appointed professor of theology at the

University of Würzburg The Julius Maximilian University of Würzburg (also referred to as the University of Würzburg, in German ''Julius-Maximilians-Universität Würzburg'') is a public research university in Würzburg, Germany. The University of Würzburg is one of ...

, where he was well regarded by Prince-Bishop Julius Echter von Mespelbrunn. He died at

Würzburg Würzburg (; Main-Franconian: ) is a city in the region of Franconia in the north of the German state of Bavaria. Würzburg is the administrative seat of the ''Regierungsbezirk'' Lower Franconia. It spans the banks of the Main River. Würzburg ...

in 1601. He published a number of works on theology, which the '' Allgemeine Deutsche Biographie'' grouped into three classes: writings on visions and apparitions, writings on possession and

exorcism Exorcism () is the religious or spiritual practice of evicting demons, jinns, or other malevolent spiritual entities from a person, or an area, that is believed to be possessed. Depending on the spiritual beliefs of the exorcist, this may be ...

, and writings on traditional theological subjects such as the

Eucharist The Eucharist (; from Greek , , ), also known as Holy Communion and the Lord's Supper, is a Christian rite that is considered a sacrament in most churches, and as an ordinance in others. According to the New Testament, the rite was instit ...

and the role of the

Catholic Church The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with 1.3 billion baptized Catholics worldwide . It is among the world's oldest and largest international institutions, and has played a ...

. His writing on exorcism "has been called the first 'scientific' (i.e. systematic) research on modern exorcism, based in part on the experiences of

Peter Canisius Peter Canisius ( nl, Pieter Kanis; 8 May 1521 – 21 December 1597) was a Dutch Jesuit Catholic priest. He became known for his strong support for the Catholic faith during the Protestant Reformation in Germany, Austria, Bohemia, Moravia, Swit ...

References

{{DEFAULTSORT:Thyraeus, Peter 1546 births 1601 deaths 16th-century German Jesuits 16th-century German Catholic theologians Academic staff of the University of Würzburg People from Neuss