 At the same time, he received his secular education from L. I. Braunhart.In 1843, Mielziner was sent to Exin, where he attended the "yeshiva" of the aged rabbi Wolf Klausner, and in 1845 he went to Berlin in pursuit of further secular education, attending at the same time the Talmudic course of Rabbi J. J. Oettinger.In 1848, having prepared himself privately for academic studies, he entered the University of Berlin.