The National Library of Israel. Photo: © Herzog & de Meuron; Mann-Shinar Architects, Executive Architect. JNS.org – The National Library of Israel is making available to the public for the first time a 500-year-old letter shedding light on the life of one of the most influential kabbalists in Jewish history. The letter, which is being made public in honor of the late Jerusalem collector Ezra Gorodesky, is “worth its weight in gold,” said Yoel Finkelman, curator of the library’s Judaica collection. The writer of the missive, named David, wrote to Rabbi Isaac ben Solomon Luria Ashkenazi, known as “Ha’ARI hakadosh”...