Gustav Karl Friedrich Revisited

About a month and a half ago, we referenced the widespread rumors that in Rav Shlomo Wolbe’s youth he had been known as Gustav Karl Friedrich Wolbe, and had attended the University of Berlin. Two weeks ago, Rabbi Pinchos Lipschutz told the story thus: Let me share a story I read about Gustav, a student […]

Schrödinger's Daughters

Some Speculations At the Intersection of Halachah and Lomdus, Philosophy and Theology, Physics and Metaphysics I recently learned this classic Sugya: איתמר קידושין שאין מסורין לביאה [פירש”י: קידש אחת משתי אחיות ולא פירש איזוהי מהם דאין יכול לישא אחת מהן דשמא זו היא אחות אשתו] אביי אמר הוו קידושין רבא אמר לא הוו קידושין אמר […]

Schrodinger’s Aravos

In Which a Nexus of Halachah, Lomdus and Quantum Mechanics Will Be Explored A friend posed us the following question after Succos: I purchased ten Aravos from a vendor, but subsequently (too late to contact the vendor and resolve the matter) discovered that I had accidentally taken eleven. Was I able to fulfil the מצות […]