Daniel ben Judah was a Jewish liturgical poet

Poetry

Poetry is a form of literary art in which language is used for its aesthetic and evocative qualities in addition to, or in lieu of, its apparent meaning...

, who lived at Rome

Rome

Rome is the capital of Italy and the country's largest and most populated city and comune, with over 2.7 million residents in . The city is located in the central-western portion of the Italian Peninsula, on the Tiber River within the Lazio region of Italy.Rome's history spans two and a half...

 in the middle of the fourteenth century CE. He was the grandfather of Daniel ben Samuel ha-Rofe, rabbi at Tivoli

Tivoli, Italy

Tivoli , the classical Tibur, is an ancient Italian town in Lazio, about 30 km east-north-east of Rome, at the falls of the Aniene river where it issues from the Sabine hills...

.

According to Luzzatto

Luzzatto

Luzzatto is an Italian surname. According to a tradition communicated by S. D. Luzzatto, the family descends from a German Jew who immigrated into Italy from the province of Lusatia, and who was named after his native place.It may refer to:...

, Daniel ben Judah was the author of the well-known hymn Yigdal Elohim Hai

Yigdal

Yigdal is a Jewish hymn which in various rituals shares with Adon 'Olam the place of honor at the opening of the morning and the close of the evening service. It is based on the 13 Articles of Faith formulated by Moses ben Maimon, and was written by Daniel ben Judah Dayan , who spent eight years...

containing the thirteen articles of belief of Maimonides

Maimonides

Moses ben-Maimon, called Maimonides and also known as Mūsā ibn Maymūn in Arabic, or Rambam , was a preeminent medieval Jewish philosopher and one of the greatest Torah scholars and physicians of the Middle Ages...

. This poem, which forms part of the morning prayer among the Ashkenazim, and is sung by the Sephardim on the eve of Sabbaths and holy days, is included in the Romaniot ritual for Saturday evening.