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Zygimantas LiauksminasLithuanian theologian, philosopher, theorist of music and rhetoric
Date of Birth: 01.01.1597
Country:  Lithuania |
Content:
- Žemaitis, Jonas
- Academic Career
- Jesuit and Academic Positions
- Theological and Academic Works
- Rhetorical Treatise
- Music Theory and Poetry
Žemaitis, Jonas
---Early Life and Education
Jonas Žemaitis, a prominent Lithuanian Jesuit, theologian, philosopher, and music theorist, was born in Lithuania. In 1616, he joined the Society of Jesus (Jesuits) and began his studies in rhetoric at the college in Pułtusk (1618-1619). He then pursued philosophy (1619-1621) and theology (1625-1629) at the Academy and University of Vilnius, which was run by the Jesuits.
Academic Career
From 1631 to 1635, Žemaitis taught rhetoric at colleges in Połock and Nesvizh. He returned to the Academy and University of Vilnius as a philosophy professor (1635-1638) and later as a theology professor (1638-1642). In 1635, he earned the title of professor, and in 1642, he received his doctorate in theology.
Jesuit and Academic Positions
Žemaitis held various offices within the Jesuit order, including vice-provincial of the Lithuanian Jesuit province and deputy-provincial. He also participated in general congregations in Rome (1652, 1661). He served as rector of the college in Krože (1661-1665), vice-rector of the Academy and University of Vilnius (1665-1658), and under-chancellor. A street in central Vilnius is named after him (J. Liauksmino gatvė).
Theological and Academic Works
Žemaitis published theological works such as "Demonstratio Catholicae Ecclesiae" (1643) and "Theologia ecclesiastica" (1665). He also wrote the first original grammar of ancient Greek in the Polish-Lithuanian Commonwealth, "Epitome instutionem linguae graecae" (1655).
Rhetorical Treatise
Žemaitis' most notable work is "Praxis oratoria sive praecepta artis rhetoricae" (1648), a treatise on oratory and the art of rhetoric. It provides practical advice and sample speeches. Drawing on Aristotle, Cicero, and Quintilian, Žemaitis criticized the excesses of the Baroque style and advocated for clear and rational thought. The appendix, "Medulla dialectica," serves as an introduction to scholastic logic.
Music Theory and Poetry
Žemaitis published the first music textbook in Lithuania, "Ars et praxis musica" (1667). In addition, he wrote poems in ancient Greek, a panegyric to King Władysław IV Waza, and sermons. Manuscripts of unpublished theological treatises, such as "Tractatus de Deo Uno" and "Tractatus theologicae de jure et justitia," are also extant.
