Jacek Woroniecki

Adam Marian Tomasz Pius Leon duke Korybut Woroniecki, religious name Jacek (21 December 1878 – 18 May 1949) was a Polish Dominican priest, theologian, professor of ethics, scholastic philosopher, and rector of the Catholic University of Lublin from 1922 to 1924.

Biography Woroniecki was born on 21 December 1878 in Lublin to Mieczysław and Maria Woroniecki . As a youth, he was stated to have influenced the conversion of an English Quaker. He graduated from a Russian gymnasium in Warsaw in 1898, attaining the rank of warrant officer. After serving one year in the Grodno hussar regiment, he attended the University of Fribourg, obtaining a bachelor's degree in natural science in 1902. Under the spiritual guidance of Honorat Koźmiński, he began studying theology, obtaining a bachelor's degree in theology from the University in 1905. That same year, he began attending the diocesan seminary in Lublin;

Cause for beatification Efforts to begin Woroniecki's cause for beatification began in the late 20th century, led by Maurycy Niedziela, who served as his postulator. The diocesan investigation was opened in the Archdiocese of Kraków on 7 December 2004, lasting until 27 February 2023.