Question: Who was a professor of theology at the University of Leiden as well as a student of Theodore Beza?

full_context: Document 1: Leiden University: Leiden University (abbreviated as LEI; Dutch: "Universiteit Leiden" ), located in the city of Leiden, is the oldest university in the Netherlands. The university was founded in 1575 by William, Prince of Orange, leader of the Dutch Revolt in the Eighty Years' War. The Dutch Royal Family and Leiden University still have a close relationship; Queens Juliana and Beatrix and King Willem-Alexander are former students. The university came into particular prominence during the Dutch Golden Age, when scholars from around Europe were attracted to the Dutch Republic due to its climate of intellectual tolerance and Leiden's international reputation. During this time Leiden was home to such figures as René Descartes, Rembrandt, Christiaan Huygens, Hugo Grotius, Baruch Spinoza and Baron d'Holbach.
Document 2: Protestantism in Switzerland: The Reformed branch of Protestantism in Switzerland was started in Zürich by Huldrych Zwingli and spread within a few years to Basel (Johannes Oecolampadius), Bern (Berchtold Haller and Niklaus Manuel), St. Gall (Joachim Vadian), to cities in southern Germany and via Alsace (Martin Bucer) to France.
Document 3: Reformational philosophy: Reformational philosophy is a Neo-Calvinistic movement pioneered by Herman Dooyeweerd and D. H. Th. Vollenhoven that seeks to develop philosophical thought in a radically Protestant Christian direction.
Document 4: Theodore Beza: Theodore Beza (Latin: "Theodorus Beza" ; French: "Théodore de Bèze" or "de Besze"; June 24, 1519 – October 13, 1605) was a French Protestant Christian theologian and scholar who played an important role in the Reformation. A member of the monarchomaque movement who opposed absolute monarchy, he was a disciple of John Calvin and lived most of his life in Switzerland.
Document 5: Jakob Gronovius: Jacobus Gronovius a.k.a. Jacob Gronow (10 October 1645 in Deventer – 21 October 1716 in Leiden) was a Dutch classical scholar.
Document 6: Calvinism: Calvinism (also called the Reformed tradition, Reformed Christianity, Reformed Protestantism, or the Reformed faith) is a major branch of Protestantism that follows the theological tradition and forms of Christian practice of John Calvin and other Reformation-era theologians.
Document 7: Baruch Spinoza: Baruch Spinoza ( ; ] ; born Benedito de Espinosa, ] ; 24 November 1632 – 21 February 1677, later Benedict de Spinoza) was a Dutch philosopher of Sephardi/Portuguese origin. By laying the groundwork for the 18th-century Enlightenment and modern biblical criticism, including modern conceptions of the self and the universe, he came to be considered one of the great rationalists of 17th-century philosophy. Along with René Descartes, Spinoza was a leading philosophical figure of the Dutch Golden Age. Spinoza's given name, which means "Blessed", varies among different languages. In Hebrew, it is written ברוך שפינוזה . His Portuguese name is Benedito "Bento" de Espinosa . In his Latin works, he used Latin: "Benedictus de Spinoza" .
Document 8: Petrus Dathenus: Pieter Datheen, Latin Petrus Dathenus, English, Peter Datheen, (Cassel, Nord, c.1531 - Elbing, 17 March 1588) was a Dutch Calvinist theologian who accomplished many things for the advancement the Reformed Church liturgy. First, he translated the Heidelberg Catechism into Dutch. Second, using the singing work of John Calvin,Theodore Beza, Peter Marot, and Louis Bourgeois, Datheen set the Psalms and psalter to verse and tune in Dutch (1566), though his settings were overshadowed by those of Philips Marnix van St Aldegonde. Third, he wrote the famous "Form for the Administration of Holy Baptism" with its very orthodox emphasis on the Covenant of Grace containing two parts. Fourth, he wrote the equally famous "Form for the Administration of the Lord's Supper" still used by orthodox Reformed churches today. Fifth, he was President of the Convent of Wesel in 1568, which expressed hope for the Reformed Churches to be free from the awful persecution of Spanish Roman Catholics, and more significantly President of the 1578 Synod of Dordt. Sixth, at this latter Synod he helped write, edit, and approve the long-revered Church Order (more famously known as the 1618-1619 Church Order of Dordt) with its 84 articles. Seventh, he developed the liturgy (order of worship) used by orthodox Dutch and American Reformed Churches with the singing, alms, prayer, and preaching at the required places. Eighth and finally, during Roman Catholic Spain's very intense persecution of the Lowlands region, resulting in the deaths of 100,000 - 200,000 Reformed Christians, Datheen was a field preacher carrying his pulpit on his back and then orating to crowds of 15,000 in a blunt eloquence that was intense and captivating.
Document 9: Johannes Megapolensis: Johannes Megapolensis (1603–1670) was a "dominie" (pastor) of the Dutch Reformed Church in the Dutch colony of New Netherland (present-day New York state in the United States), beginning in 1642. Serving for several years at Fort Orange (present-day Albany, New York) on the upper Hudson River, he is credited with being the first Protestant missionary to the Indians in North America. He later served as a minister in Manhattan, staying through the takeover by the English in 1664.
Document 10: Arminianism: Arminianism is based on theological ideas of the Dutch Reformed theologian Jacobus Arminius (1560–1609) and his historic supporters known as Remonstrants. His teachings held to the five solae of the Reformation, but they were distinct from particular teachings of Martin Luther, Huldrych Zwingli, John Calvin, and other Protestant Reformers. Jacobus Arminius (Jakob Harmenszoon) was a student of Theodore Beza (Calvin's successor) at the Theological University of Geneva. Arminianism is known to some as a soteriological diversification of Protestant Calvinist Christianity. However, to others, Arminianism is a reclamation of early Church theological consensus.
Document 11: Franciscus Junius (the elder): Franciscus Junius the Elder (born François du Jon, 1 May 1545 – 13 October 1602) was a Reformed scholar and theologian. Born in Bourges in central France, he initially studied law, but later decided to study theology in Geneva under John Calvin and Theodore Beza. He became a minister in Antwerp, but was forced to flee to Heidelberg in 1567. He wrote a translation of the Bible into Latin with Emmanuel Tremellius, and his "De Vera Theologia" was a text in Reformed scholasticism.
Document 12: Erasmus: Desiderius Erasmus Roterodamus ( ; 28 October 1466 – 12 July 1536), known as Erasmus or Erasmus of Rotterdam, was a Dutch Renaissance humanist, Catholic priest, social critic, teacher, and theologian.
Document 13: Swiss Reformed Church: The Swiss Reformed Church (German: "Evangelisch-reformierte Kirchen der Schweiz" , "Evangelical Reformed Churches of Switzerland") refers to the Reformed branch of Protestantism in Switzerland started in Zürich by Huldrych Zwingli and spread within a few years to Basel (Johannes Oecolampadius), Bern (Berchtold Haller and Niklaus Manuel), St. Gallen (Joachim Vadian), to cities in southern Germany and via Alsace (Martin Bucer) to France.
Document 14: Protestantism in France: Protestantism in France has existed in its various forms starting with Calvinists and Lutherans since the Protestant Reformation. John Calvin was a Frenchman, as well as numerous other Protestant Reformers including William Farel, Pierre Viret and Theodore Beza, who was Calvin's successor in Geneva. Peter Waldo (Pierre Vaudes/de Vaux) was a merchant from Lyons, who founded a pre-Protestant group. Martin Bucer was born to German minority in Alsace, which historically belonged to the Holy Roman Empire, but now belongs to France.
Document 15: Jacobus Arminius: Jacobus Arminius (October 10, 1560 – October 19, 1609), the Latinized name of the Dutch theologian Jakob Hermanszoon from the Protestant Reformation period, served from 1603 as professor in theology at the University of Leiden. He wrote many books and treatises on theology, and his views became the basis of Arminianism and the Dutch Remonstrant movement.
ground_truth: Jacobus Arminius