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THE HISTORY OF CIVIL ENGINEER

Friday, January 8, 2021

The Muslim Scientist (Jabber Ibn Hayyan)

 


Jabir ibn Hayyan

(Arabic/Persian died c. 758 – 816), known by the Kunyas Abu Musa or Abu Abd Allah and the nisbad al-sufi, al Azdi, al kufi or al-Tusi is the supposed author of an enormous number and variety of works in Arabic often called the jabirian corpus. The scope of the corpus is vast and divers covering a wide range of topics, including alchemy, cosmology, numerology, astrology, medicine, magic, mysticism and Popularly known as the father of chemistry, Jabir's works contain the oldest known systematic classification of chemical substances, and the oldest known instructions for deriving an inorganic compound (sal ammoniac or a ammonium chloride) from organic substances (such as plants, blood, and hair) by chemical means.

As early as the 10th century, the identity and exact corpus of works of Jabir was in dispute in Islamic circles. The authorship of all these works by a single figure, and even the existence of a historical Jabir, are also doubted by modern scholars. Instead, Jabir ibn Hayyan is see more like a pseudonym to whom underground writing by various authors became ascribed.

Some Arabic Jabirian works (e.g. the "Book of Mercy" and the "Book of Seventy" ) were  translated into Latin under the Latinized name "Geber" and in 13th century Europe an anonymous writer, usually referred to as pseud-Geber, started to produce alchemical and metallurgical writings under this name

The jabirian corpus

There are about 600 Arabic work attributed to Jabir ibn Hayyan that are known by bane approximately 215 of which are still extant today. Though some of these are full length works most of them are relatively short treatises and belong to larger collections (The One Hundred and Twelve Books, The Five Hundred Books, etc.) in which they function rather more like chapters. When the individual chapters of some full length works are counted as separate treatises too, the total length of the corpus may be estimated at about 3000 treatises/chapters.

The overwhelming majority of Jabirian treatises that are still extant today deal with alchemy or chemistry (though these may also contain religious speculations, and discuss a wide range of other topics ranging from cosmology to grammar).

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