Creator Bio Isaac Lankosh of Kraków 16th Century Isaac Lankosh of Kraków, also known as Isaac bar Mordechai ha-Kohen, was a scribe. Entries in the Posen Library by This Creator Primary Source Maḥzor RestrictedImage This magnificent maḥzor (holiday prayer book) was copied—and most likely decorated—by the scribe Isaac bar Mordechai ha-Kohen (Isaac Lankosh of Kraków). (In several places, the name “Isaac” has…