Rav Yaakov Yissocher Ber Rosenbaum
הרב יעקב יששכר בער בן חיים מרדכי רוזנבוים
Hilula7 Adarז׳ אדר
Lifetimed. 2012
FatherChaim Mordechai Rosenbaum
Biography in preparationA full biography, stories, teachings and a kever guide are being written and reviewed.