Mathematician:Al-Kindi

Mathematician

Persian mathematician, philosopher and prolific writer famous for providing a synthesis of the Greek and Hellenistic tradition into the Muslim world.

Played an important role in introducing the Arabic numeral system to the West.

Persian

At least two hundred and sixty books, including:

Geometry (thirty-two books)

Medicine (twenty-two books)

Philosophy (twenty-two books)

Logic (nine books)

Physics (twelve books)

Most have been lost, but a few survive.

On astronomy and astrology (the two were synonymous in those days):

The Book of the Judgement of the Stars
- including: The Forty Chapters, on questions and elections
On the Stellar Rays
De mutatione temporum, ("On the Changing of the Weather")
- Several other epistles on weather and meteorology
Treatise on the Judgement of Eclipses
Treatise on the Dominion of the Arabs and its Duration (used to predict the end of Arab rule)
The Choices of Days (on elections)
On the Revolutions of the Years (on mundane astrology and natal revolutions)
De Signis Astronomiae Applicitis as Mediciam ("On the Signs of Astronomy as applied to Medicine")
Treatise on the Spirituality of the Planets

On medicine:

On mathematics:

830: Ketab fi Isti'mal al-'Adad al-Hindi ("On the Use of the Indian Numerals")

On cryptography:

On Deciphering Cryptographic Messages (in which he introduces the concept of frequency analysis)

Full name: Abu Yūsuf Yaʻqūb ibn ʼIsḥāq aṣ-Ṣabbāḥ al-Kindī

In Arabic: أبو يوسف يعقوب بن إسحاق الصبّاح الكندي‎

In Latin: Alkindus.

2008: Ian Stewart: Taming the Infinite ... (previous) ... (next): Chapter $3$: Notations and Numbers: Brahmagupta, Mahavira and Bhaskara