1080 - 1138

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Abū Bakr Muḥammad ibn Yaḥyà ibn aṣ-Ṣā’igh at-Tūjībī ibn Bājja (Arabic: أبو بكر محمد بن يحيى بن الصائغ التجيبي بن باجة), best known by his Latinised name Avempace (; c. 1085 – 1138), was an Arab Andalusian polymath, whose writings include works regarding astronomy, physics, and music, as well as philosophy, medicine, botany, and poetry.He was the author of the Kitāb an-Nabāt ("The Book of Plants"), a popular work on botany, which defined the sex of plants. His philosophical theories influenced the work of Ibn Rushd (Averroes) and Albertus Magnus. Most of his writings and books were not completed (or well-organized) due to his early death. Read more on Wikipedia

Since 2007, the English Wikipedia page of Avempace has received more than 127,643 page views. His biography is available in 42 different languages on Wikipedia (up from 40 in 2019). Avempace is the 21st most popular astronomer (up from 27th in 2019), the 101st most popular biography from Spain (up from 122nd in 2019) and the most popular Spanish Astronomer.

Avempace is most famous for his philosophical work, The Incoherence of the Philosophers.

Memorability Metrics

  • 130k

    Page Views (PV)

  • 75.52

    Historical Popularity Index (HPI)

  • 42

    Languages Editions (L)

  • 9.55

    Effective Languages (L*)

  • 2.42

    Coefficient of Variation (CV)

Page views of Avempaces by language


Among astronomers, Avempace ranks 21 out of 532Before him are Ja'far al-Sadiq, Giovanni Domenico Cassini, Edmond Halley, Charles Messier, Neil deGrasse Tyson, and Abd al-Rahman al-Sufi. After him are Robert Woodrow Wilson, Aryabhata, Roger Joseph Boscovich, Giuseppe Piazzi, Arthur Eddington, and Wilhelm Schickard.

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Among people born in 1080, Avempace ranks 2Before him is Pope Eugene III. After him are Suger, Norbert of Xanten, Isidore the Laborer, Theresa, Countess of Portugal, Matilda of Scotland, Sanai, Raymond du Puy, Abu'l-Barakāt al-Baghdādī, Abu Hamid al-Gharnati, and Fakhr al-Mulk Radwan. Among people deceased in 1138, Avempace ranks 1After him are Antipope Anacletus II, Bolesław III Wrymouth, Irene Doukaina, Ar-Rashid, and Vsevolod of Pskov.

Others Born in 1080

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Others Deceased in 1138

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In Spain

Among people born in Spain, Avempace ranks 101 out of 2,595Before him are Anna of Austria, Queen of Spain (1549), Luis Aragonés (1938), Juan Antonio Samaranch (1920), Joaquín Rodrigo (1901), Antonio Banderas (1960), and Pablo Casals (1876). After him are Pablo de Sarasate (1844), Solomon ibn Gabirol (1021), Ibn Tufail (1110), Francisco Gento (1933), Francisco Tárrega (1852), and José Carreras (1946).


Among astronomers born in Spain, Avempace ranks 1After him are Abū Ishāq Ibrāhīm al-Zarqālī (1029), Nur ad-Din al-Bitruji (1200), Maslama al-Majriti (950), Antonio de Ulloa (1716), and Josep Comas i Solà (1868).