Moses Vita Ascarelli (Hebrew: משה יחיאל עזכאריאל, Italian: Mosè Vita Ascarelli; 5 April 1826 – 11 December 1889), also known by the pen name Emet le-Ya'akov (Hebrew: אמת ליעקב), was an Italian physician, rabbi, writer, poet, and translator.
He received his religious education at the Talmud Torah and Rabbinical College in that city, and later studied medicine at the University of Rome.
Ascarelli took an active interest in the organization of the Jewish community in Rome; he was one of the founders of the Società di fratellanza, for the dissemination of education and development of the arts among poor Jews,[2] and, together with Pellegrino Pontecorvo [fr], co-founder of the Roman branch of the Alliance Israélite Universelle.
[3] Ascarelli was a frequent contributor under the pseudonym "Emet le-Ya'akov" to the Hebrew journal Ha-Maggid, for which he wrote many poems and articles on the condition of Italian Jews under Pope Pius IX.
[6][7] He served as rabbi of the Scola Catalana synagogue, and one of his sermons was published under the title Panegirico sull' elezione d'Israele letto nel Tempio israelitico di Roma (Scuola Catalana) il Sciavuot 5640 (17 maggio 1880) per l'iniziazione alla maggiorità religiose del figlio Angelo Raffaele e altri giovanetti della Communione.