Creator Bio Gershom Katz 1475–1540 Gershom Solomon Katz and his brother Gronem Katz (also known as Cohen) were Jewish printers in Prague in the mid-sixteenth century. Entries in the Posen Library by This Creator Primary Source Haggadah (Prague) RestrictedImage Related Guide Education and Scholarship, 1500–1750 The early modern period featured educational reforms, anti-Christian polemics, and growing Jewish university participation.