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Rabbi Mordechai I. Willig


Rabbi Willig, is the Rabbi Dr. Sol Roth Professor of Talmud and Contemporary Halachah at YU's RIETS program. He has been a Rosh Yeshiva at the Mazer School of Talmudic Studies since 1973 and a Rosh Kollel at RIETS.
Rabbi Willig received a B.A. in mathematics from Yeshiva College in 1968 and an M.S. in Jewish History in 1971 from the Bernard Revel Graduate School. He received semicha that same year. He has served as spiritual leader of Young Israel of Riverdale in the Bronx, NY, since 1974, and has written a sefer, Am Mordechai, and many articles in Torah scholarship journals.
To purchase Rabbi Willig's seforim (books), please click here.


Willig Aveilus 2001

Willig Avelus 2008

Willig Chulin Yoreh Deah 5755

Willig Brachos 2008

Willig Halacha Engages Modernity

Willig Halacha Sugyos of Shabbos

Willig Hilchos Shabbos Aug 2008

Shemita Morasha Kollel 5775

Willig Aveilus 2008

Willig Bishul B'Shabbos Summer 5766

Willig Chullin 2012

Willig Kesuvos 2008

Willig Gittin 1999

Willig Menachos 2001

Willig Pesachim 2010

Willig Moed Kattan 2001

Willig Pesachim 1993

Willig Chalah 5754

Willig Yevamos 2011

Willig Hilchos Shabbos for Women

Willig Nidah 2008

Willig 4th Year Bishul

Willig Moed Katan 2008

Willig Hilchos Shabbos 5756

Willig Women in Halacha

Willig Hilchos Muktzeh 2008

Willig Inyanei Taroves, Chametz and Basar B'Chalav

Willig Chulin 2008