Yechiel Yaakov Weinberg

In the latter, "he combined within himself Lithuanian profound understanding of Halacha with the Slabodka musar expounded by the illustrious Alter, Rabbi Nosson Tzvi Finkel.

[3] Although Polish-born and Lithuanian-trained, Weinberg "developed an extremely beautiful German prose style which was matched only by his mastery of modern Hebrew.

His students included Rabbis Menachem Mendel Schneerson, Eliezer Berkovits, Giuseppe (Yoseph) Laras and Josef Hirsch Dunner.

As rosh yeshiva, Weinberg emerged as a leading advocate of Neo-Orthodoxy, the German approach to Orthodox Judaism, based on the Torah im Derech Eretz of Rabbi Samson Raphael Hirsch.

Despite many offers of prominent rabbinic positions across the globe, Weinberg chose not to leave Switzerland, where he penned many influential and important responsa.

Weinberg (1914 or earlier)