Shmuel ha-Katan

Shmuel Hakatan (literally Shmuel the Small) was a Babylonian Jew considered a great scholar of the Talmud, Jewish law and custom. He is known for his great work on the Hebrew calendar in exilic times, which brought an end to the practice of witnesses testifying to the new moon. and in establishing some texts of the Jewish prayer book, the Siddur. Particularly, he wrote a specific blessing in the silent prayer said thrice daily, the Amidah.