MB1 41b: Proper Ink for Tefillin (32:3)

Rabbi Aaron E. Glatt, MD, MACP, FIDSA, FSHEA is the Associate Rabbi at the Young Israel of Woodmere. He has been giving a Daf Yomi shiur for 30 years (available on YUTorah), and also gives a weekly gemara be’iyun shiur, daily halacha shiurim, and many other classes. An international lecturer on medical and halachic issues, Rabbi Dr. Glatt has autho...