Ismail al-Jazari

1136 - 1206

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Badīʿ az-Zaman Abu l-ʿIzz ibn Ismāʿīl ibn ar-Razāz al-Jazarī (1136–1206, Arabic: بديع الزمان أَبُ اَلْعِزِ إبْنُ إسْماعِيلِ إبْنُ الرِّزاز الجزري,), IPA: [ældʒæzæriː]) was a polymath: a scholar, inventor, mechanical engineer, artisan, artist and mathematician from the Artuqid Dynasty of Jazira in Mesopotamia. He is best known for writing The Book of Knowledge of Ingenious Mechanical Devices (Arabic: كتاب في معرفة الحيل الهندسية, romanized: Kitab fi ma'rifat al-hiyal al-handasiya, lit. 'Book in knowledge of engineering tricks') in 1206, where he described 50 mechanical devices, along with instructions on how to construct them. He is credited with the invention of the elephant clock. Read more on Wikipedia

Since 2007, the English Wikipedia page of Ismail al-Jazari has received more than 526,824 page views. His biography is available in 41 different languages on Wikipedia (up from 36 in 2019). Ismail al-Jazari is the 37th most popular inventor (up from 40th in 2019), the 33rd most popular biography from Iraq (down from 29th in 2019) and the most popular Inventor.

Ismail al-Jazari was a Muslim engineer and inventor who is most famous for his book, The Book of Knowledge of Ingenious Mechanical Devices.

Memorability Metrics

  • 530k

    Page Views (PV)

  • 68.91

    Historical Popularity Index (HPI)

  • 41

    Languages Editions (L)

  • 7.11

    Effective Languages (L*)

  • 2.79

    Coefficient of Variation (CV)

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Among inventors, Ismail al-Jazari ranks 37 out of 354Before him are Bartolomeo Cristofori, George Westinghouse, Robert Fulton, Joseph Marie Jacquard, Abbas ibn Firnas, and László Bíró. After him are Nicolas-Joseph Cugnot, Konrad Zuse, Herman Hollerith, Nicolas Appert, Igor Sikorsky, and Adolphe Sax.

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Among people born in 1136, Ismail al-Jazari ranks 1After him are Amalric of Jerusalem, Petronilla of Aragon, Constance of Castile, Humbert III, Count of Savoy, Conrad II, Duke of Bohemia, Ramon Berenguer II, Count of Provence, and Marie I, Countess of Boulogne. Among people deceased in 1206, Ismail al-Jazari ranks 1After him are Adela of Champagne, Muhammad of Ghor, Amalric of Bena, Muhammad bin Bakhtiyar Khalji, and John X of Constantinople.

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In Iraq

Among people born in Iraq, Ismail al-Jazari ranks 33 out of 338Before him are Idris (-3500), Fuzûlî (1494), Gudea (-2200), Muhammad al-Mahdi (869), Nabopolassar (-658), and Jalal Talabani (1933). After him are Ur-Nammu (-2200), Ahmad ibn Fadlan (900), Eber (-2038), Möngke Khan (1209), Antiochus I Soter (-324), and Suleyman Shah (1178).

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Among inventors born in Iraq, Ismail al-Jazari ranks 1