Muhammad ibn Ibrāhīm ibn al-Akfani (, 1286-ca. 1348–49) was a

Kurdish Kurdish may refer to: *Kurds or Kurdish people *Kurdish language ** Northern Kurdish (Kurmanji) **Central Kurdish (Sorani) **Southern Kurdish ** Laki Kurdish *Kurdish alphabets *Kurdistan, the land of the Kurdish people which includes: **Southern ...

Cairene

encyclopedist An encyclopedia is a reference work or compendium providing summaries of knowledge, either general or special, in a particular field or discipline. Encyclopedias are divided into articles or entries that are arranged alphabetically by artic ...

and

physician A physician, medical practitioner (British English), medical doctor, or simply doctor is a health professional who practices medicine, which is concerned with promoting, maintaining or restoring health through the Medical education, study, Med ...

Life

Ibn al-Akfani was born in

Sinjar Sinjar (; , ) is a town in the Sinjar District of the Nineveh Governorate in northern Iraq. It is located about five kilometers south of the Sinjar Mountains. Its population in 2013 was estimated at 88,023, and is predominantly Yazidi. History ...

and lived in

Cairo Cairo ( ; , ) is the Capital city, capital and largest city of Egypt and the Cairo Governorate, being home to more than 10 million people. It is also part of the List of urban agglomerations in Africa, largest urban agglomeration in Africa, L ...

, the capital of

Mamluk Egypt The Mamluk Sultanate (), also known as Mamluk Egypt or the Mamluk Empire, was a state that ruled Egypt, the Levant and the Hejaz from the mid-13th to early 16th centuries, with Cairo as its capital. It was ruled by a military caste of mamluks ...

. He worked at Al-Mansuri Hospital during a time where the

Black Death The Black Death was a bubonic plague pandemic that occurred in Europe from 1346 to 1353. It was one of the list of epidemics, most fatal pandemics in human history; as many as people perished, perhaps 50% of Europe's 14th century population. ...

swept across Egypt with

reporting around 20,000 deaths per day. He died in either 1348 or 1349 of the

bubonic plague Bubonic plague is one of three types of Plague (disease), plague caused by the Bacteria, bacterium ''Yersinia pestis''. One to seven days after exposure to the bacteria, flu-like symptoms develop. These symptoms include fever, headaches, and ...

Work

He wrote at least 22 books. Most of his books were

science Science is a systematic discipline that builds and organises knowledge in the form of testable hypotheses and predictions about the universe. Modern science is typically divided into twoor threemajor branches: the natural sciences, which stu ...

related, including

logic Logic is the study of correct reasoning. It includes both formal and informal logic. Formal logic is the study of deductively valid inferences or logical truths. It examines how conclusions follow from premises based on the structure o ...

gemology Gemology or gemmology is the science dealing with natural and artificial gemstone materials. It is a specific interdisciplinary branch of mineralogy. Some jewellery, jewelers (and many non-jewelers) are academically trained gemologists and are qua ...

mathematics Mathematics is a field of study that discovers and organizes methods, Mathematical theory, theories and theorems that are developed and Mathematical proof, proved for the needs of empirical sciences and mathematics itself. There are many ar ...

medicine Medicine is the science and Praxis (process), practice of caring for patients, managing the Medical diagnosis, diagnosis, prognosis, Preventive medicine, prevention, therapy, treatment, Palliative care, palliation of their injury or disease, ...

and

astronomy Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry in order to explain their origin and their overall evolution. Objects of interest includ ...

. Specific subjects include

bloodletting Bloodletting (or blood-letting) was the deliberate withdrawal of blood from a patient to prevent or cure illness and disease. Bloodletting, whether by a physician or by leeches, was based on an ancient system of medicine in which blood and othe ...

slavery Slavery is the ownership of a person as property, especially in regards to their labour. Slavery typically involves compulsory work, with the slave's location of work and residence dictated by the party that holds them in bondage. Enslavemen ...

and

ophthalmology Ophthalmology (, ) is the branch of medicine that deals with the diagnosis, treatment, and surgery of eye diseases and disorders. An ophthalmologist is a physician who undergoes subspecialty training in medical and surgical eye care. Following a ...

. His most famous work was a science

encyclopedia An encyclopedia is a reference work or compendium providing summaries of knowledge, either general or special, in a particular field or discipline. Encyclopedias are divided into article (publishing), articles or entries that are arranged Alp ...

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 A gemstone (also called a fine gem, jewel, precious stone, semiprecious stone, or simply gem) is a piece of mineral crystal which, when cut or polished, is used to make jewelry or other adornments. Certain rocks (such as lapis lazuli, opal, a ...

, with a focus about

jacinth Jacinth (, ) or hyacinth () is a yellow-red to red-brown variety of zircon used as a gemstone. In Exodus 28:19, one of the precious stones set into the ''hoshen'' (the breastplate worn by the High Priest of Israel) is called, in Hebrew, '' les ...

References

{{authority control 1286 births 14th-century physicians 14th-century deaths from plague (disease) Medieval Egyptian physicians Encyclopedists of the medieval Islamic world Physicians from Cairo People from Sinjar 14th-century Arabic-language writers 14th-century Kurdish people