Ali ibn Husayn Ansari Shirazi, known as Haji Zayn Attar, was a 14th century Persian physician.

He served for sixteen years as the court physician to the Muzaffarid

Muzaffarids

The Mozaffarids were a family that came to power in Iran following the breakup of the Ilkhanate in the 14th century.-Rise to Power:The Mozaffaris were a family that settled in Khorasan from the beginning of Caliphal rule there. They stayed in Khorasan up until the Mongol invasion of that province,...

 ruler Shah Shuja

Shah Shuja (Muzaffarid)

Shah Shuja was a 14th-century Muzaffarid ruler of Southern Iran.Shuja was part of the Muzaffarid dynasty and the most powerful ruler of that dynasty. He was the last ruler to hold united sway in his lands, but about 1370 faced having to divide his lands with his sons...

, who ruled from 1358 to 1384. Shah Shuja is famous for being the patron of the famous poet Hafiz of Shiraz

Shiraz, Iran

Shiraz is the sixth most populous city in Iran and is the capital of Fars Province, the city's 2009 population was 1,455,073. Shiraz is located in the southwest of Iran on the Roodkhaneye Khoshk seasonal river...

.

Haji Attar's comprehensive Persian pharmacopoeia

Pharmacopoeia

Pharmacopoeia, pharmacopeia, or pharmacopoea, , in its modern technical sense, is a book containing directions for the identification of samples and the preparation of compound medicines, and published by the authority of a government or a medical or pharmaceutical society.In a broader sense it is...

 of simple and compound remedies, the Ikhtiyarat-i Badi‘i was apparently composed for the Muzaffarid princess Badi‘ al-Jamal, who is named in the title of the treatise but of whom very little is known.

He died in 1403.

See also

• List of Iranian scientists