J. H. Cha­jes is Sir Isaac Wolf­son Pro­fes­sor of Jew­ish Thought at the Uni­ver­si­ty of Haifa. He is the author of Between Worlds: Dyb­buks, Exor­cists, and Ear­ly Mod­ern Judaism, coed­i­tor of The Visu­al­iza­tion of Knowl­edge in Medieval and Ear­ly Mod­ern Europe, and the direc­tor of the Ilan­ot Project.