Ibn al-Akfani

Muhammad ibn Ibrāhīm ibn al-Akfani () (1286-ca. 1348-49) was an Arab encyclopedist and physician.
Life.
Ibn al-Akfani was born in Sinjar, Iraq and lived in Cairo, Egypt. He worked at Al-Mansuri Hospital. He died in either 1348 or 1349 of the bubonic plague.
Work.
He wrote at least 22 books. Most of his books were science related, including logic, gemology, mathematics, medicine and astronomy. Specific subjects include bloodletting, slavery and ophthalmology.
His most famous work was a science encyclopedia called "Iršād al-qāsid ilā asnā' al-maqāsid". The encyclopedia examines 60 subjects with bibliographies and a glossary of terms. His book, "Kitāb nuhab al-dahā'ir fī ahwāl al-jawāhir", is about gemstones, with a focus about jacinth.