The Yom Hazikoron for Rabbenu Meir of Ruttenberg Zy"a is on the 19th of Iyar which is the 34th day of the Omer.
The Talmidim of the Maharam of Ruttenberg include the Rosh, the Mordechai and the Tashbatz Zt"l.
His Rebbe was Rabbenu Moshe of Vina Zt"l otherwise known as the Or Zorua.
Rabbenu meir of Ruttenberg died in prison.
The Tashbatz wrote a Sefer that notes five hundred Minhagim of his Rebbe Zy"a.