Learning on the Marcos and Adina Katz YUTorah site is sponsored today by Miriam & Alan Goldberg and Ruth Peyser Kestenbaum to mark the 12th yahrtzeit of their father, Irwin Peyser, Harav Yisroel Chaim ben R' Dovid V' Fraidah Raizel Peyser and by the Rotblat, Frohlich, and Dworken families to commemorate the 22nd yahrtzeit of Rabbi Dr. Steven M Dworken, Harav Yisrael Mordechai ben Avraham Dovid