Learning on the Marcos and Adina Katz YUTorah site is sponsored today by Ruth Peyser Kestenbaum and Miriam & Alan Goldberg to mark the ninth yahrtzeit of their father, Irwin Peyser, Harav Yisroel Chaim ben R' Dovid V' Fraidah Raizel Peyser and by the Polinsky, Miller, and Weiss families in memory of their dear father, grandfather, and great-grandfather, Avraham ben Menachem Moshe a'h