[Audio below.] Rabbi Mordechai Koster is presently a member of the kollel at Bais Medresh Govoha in Lakewood, NJ, where he received semichah. He has written several seforim on halacha and on the moadim called Gevuras Akiva. In addition, he releases a gilyon on the parsha in halacha and aggada every week.
Rabbi Kostner previously learned at Yeshiva of Far Rockaway, Yeshiva Shaar HaTorah and Yeshivas Mir Yerushalayim.
The following is a shiur delivered via telephone that is now featured exclusively on Matzav.com.
Today’s shiur is on the topic of “Fasting On a Rebbi’s Yahrtzeit.”
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