Raphael Meyuchas ben Samuel (1695?-1771) served as Chief Rabbi of Israel (Rishon l’Zion) from 1756 until his death in 1771.
Meyuchas was born in Jerusalem to the Meyuchas family, and was the brother of Abraham ben Samuel Meyuchas and the father of Chief Rabbi Moshe Yosef Mordechai Meyuchas. He is known to have attempted to bring about some kind of reconciliation with the Karaites and to have admitted Karaite children to the Jewish school. He was the author of ‘Minchat Bikkurim (Salonika, 1752) a commentary on the Talmud, and of Peri ha-Adamah, (four parts, Salonika 1752-57,) a commentary on the Mishneh Torah of Maimonides.[1][2]