Yosef Rosen Profile picture
Historian of Kabbalah.
Sep 2, 2024 20 tweets 5 min read
How a Kabbalist Accidentally Became an Arsonist: A True Tale of the Rabbi who Burned Down the Jewish Ghetto of Frankfurt in 1711 🔥🧵 Leaflet about the fire in the Judengasse, Frankfurt am Main, 1711 (Historical Museum of Frankfurt) By 1704, when he was invited to become Chief Rabbi of Frankfurt, Rabbi Naphtali Katz had gained renown throughout Ashkenaz as a Ba'al Shem—a shamanic healer, amulet writer, and kabbalist. Image
Aug 4, 2024 19 tweets 6 min read
No Jewish symbol is more misunderstood than the Magen David, "The Star of David." A thread on the actual connection between the Magen David & Jewish magic: Amulet for Travel, Safed, Ottoman Palestine, late 19th C. (The Jewish Museum) Its magical origins are obscured by the English phrase, "The Star of David," which is a poor translation of Magen David. Magen = "shield." It is a symbol of a shield, not a star. Nowhere in Jewish literature do we find the phrase "kochav David." It is the "Shield of David." Image
Aug 9, 2022 22 tweets 6 min read
Is this actually how Ezekiel’s angelic creatures were imagined?
Well, it depends who you ask—medieval Jews or medieval Christians.
An illuminated thread.
[CGI by Spectrum Cinema]

In 1331 Nicholas of Lyra claimed that Jews & Christians imagine Ezekiel’s angels differently: “In order to grasp the imaginative vision of Ezekiel, I have placed here figures according to the description of the Latins and also of the Hebrews” (“Postilla litteralis”). Image
Feb 20, 2022 35 tweets 10 min read
Did an ancient group of renegade Jews invent a secret alphabet to hide something?
A Story of Discovery & Scholarship
Thread Image Seventy-five years ago, a treasure trove of scrolls from an ancient sect is discovered near the banks of the Dead Sea & revolutionizes what we know about Jews in Greco-Roman Palestine. The story of those scrolls is fairly well-known. Image