Learning on the Marcos and Adina Katz YUTorah site is sponsored today by Ruth Peyser Kestenbaum and Miriam & Alan Goldberg to mark the tenth yahrtzeit of their father, Irwin Peyser, Harav Yisroel Chaim ben R' Dovid V' Fraidah Raizel Peyser and by the Weinberg and Klepfish families l'ilui nishmas Zevy Weinberg, Refael Zev Avraham ben HaRav Moshe