Figure 1: Vidinli Tawfik Pasha. Source: IMAGE The Bulletin of the International Linear Algebra Society, 15 (Summer 1995), p. 24.
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Figure 1: Pi, symbol and value.
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Astronomer observing the comet of 1577 above Istanbul with a wooden quadrant. Mustafa Ali, Nusratnāme, Topkapi Palace Museum Library, Hazine 1365, folio 5v.
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Front covers of two books by Ahmed Djebbar: Une histoire de la science arabe (Paris, 2001) and L'âge d'or des sciences arabes (Paris, 2005).
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Figure 1: Ottoman astronomers at work around Taqī al-Dīn at the Istanbul Observatory. Source: Istanbul University Library, F 1404, fol. 57a.
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