Rabbi Moshe Sofer

Rabbi Moshe Sofer, known as the Chatam Sofer, was a prominent Hungarian rabbi and halachic authority of the 19th century. Renowned for his staunch opposition to reform movements in Judaism, he formulated the principle 'Chadash Asur Min HaTorah', which asserts that new practices are prohibited by Jewish law. His teachings and leadership helped preserve traditional Jewish practices, influencing countless communities across Europe.