a German theologian, was born at Herbstein, in the duchy of Fulda, Nov. 14, 1742, and when twenty-two years old entered the order of the Jesuits, under whom he received his subsequent education. In 1783 he became professor of mathematics at Heidelberg University, and in 1785 was appointed to the chair of canon law. He died Jan. 3, 1809. Kubtl was quite liberal in tendency, and had many warm friends among Protestant theologians. He wrote Ratio fidei reddita (Heidelb. 1776, 4to): — Exercitium canon-icumn de matrimonio (1786, 4to). — Doring, Gelehrte Theolog. Deutschlands des 18ten und 19ten Jahrh. ii, 212.