Maharam Rotenberg
From Halachipedia
Klalim
- Rav Meir miRotenburg, Maharam bar Baruch HaLevi, was a Talmid of the Ohr Zarua[1] and the Rebbe of the Rosh, Hagahot Maimoniot, and Mordechai and is the "R' Meir" or "RM" quoted in their works.[2]
- The Tosafot commentary to Yoma comes from the Maharam Rutenberg.[3]
- Hagahot Maimoniot and Mahari Mintz testify that Minhag Ashkenaz is to follow the Maharam Rotenberg.[4]