David Krae­mer is Joseph J. and Dora Abbell Librar­i­an at the Jew­ish The­o­log­i­cal Sem­i­nary, where he has also served as Pro­fes­sor of Tal­mud and Rab­binics for many years. As Librar­i­an, he is at the helm of the most exten­sive col­lec­tion of Judaica-rare and con­tem­po­rary-in the West­ern hemi­sphere. He is the author of sev­er­al books on Rab­binic Judaism and its texts, the social and reli­gious his­to­ry of Jews in antiq­ui­ty, and Jew­ish rit­u­als and their development.