Günzig was born on 10 April 1868 in Kraków, where he received traditional Talmudic education, and he finished his studies in philosophy and Semitic languages at the University of Bern, where he earned his doctorate.
[1][4] In 1899, he became the rabbi of the Jewish Congregation in Loštice, a position he held until the spring of 1920, when he moved with his family to Antwerp, Belgium.
In Antwerp, he became the head of the Hebrew Tachkemoni School and held this position for ten years.
[1][3] His scholarly work was mainly focused on the history of Haskalah (Jewish Enlightenment) in Galicia, but he dealt with other subjects as well.
[11][12] His own published works include: Der Pessimismus im Judenthume (Kraków, 1899),[10][12] Rabbi Israel Baal-Schem (Brno, 1908);[7] Die "Wundermänner" im jüdischen Volke (Antwerp, 1921);[8] and Das jüdische Schrifttum über den Wert des Lebens (Hannover, 1924).