Aruch LaNer

Serving as the chief rabbi of Altona, Rabbi Yaakov Ettlinger was a leading figure of German Orthodoxy who sought to defend tradition while engaging with aspects of modernity. He authored the renowned Talmudic commentary *Aruch LaNer* and the responsa collection *Binyan Tzion*. As editor of the German-language Orthodox periodical *Der treue Zionswächter*, he articulated a vision for traditional Judaism in a changing world. Among his most prominent students was Rabbi Samson Raphael Hirsch, who would go on to found the Torah im Derekh Eretz movement.