Name: Samuel bar Abba
Alternate Name: Mar Samuel
Born: 180
Died: 257
Lived In: Babylonia and Palestine
Biography: He is one of the most celebrated of all Babylonian Amoraim. He was a student and friend of Judah HaNasi (the Prince). He had particular skill in fixing the calendar. He was a friend of the Persian king. He knew medicine and astronomy. He cared for Judah the Prince during a long illness, and finally cured him. He was considered superior to Rab in civil law but inferior in ritual matters. He was the leading authority after Rab's death.