al-Kāshī

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mathematicians of the Islamic world

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al-Kāshī: Facts & Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Facts

Also Known As	Ghiyāth al-Dīn Jamshīd Masʾūd al-Kāshī • Kāshānī, al-
Born	c.1380 • Kāshān • Persia
Died	June 22, 1429 • Samarkand • Uzbekistan
Notable Works	“Miftāḥ al-ḥisāb” • “Risālah al-muḥīṭīyya” • “Risālah al-watar waʾl-jaib”
Subjects Of Study	Moon • eclipse • pi

Photos

mathematicians of the Islamic world

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Christiaan Huygens

Christiaan Huygens

Dutch scientist and mathematician

Naṣīr al-Dīn al-Ṭūsī

Persian scholar

Six astronomers, after Gerard Hoet (1692)

Hipparchus

Greek astronomer

Edmond Halley

Edmond Halley

British scientist

Georg von Peuerbach

Austrian mathematician

Zhao Youqin

Chinese astronomer, mathematician, and Daoist

Arthur Stanley Eddington.

Arthur Eddington

British scientist

Johann Lambert, detail of a lithograph by Gottfried Englemann, after a portrait by Pierre-Roch Vigneron

Johann Heinrich Lambert

Swiss-German scientist and philosopher

Zu Chongzhi

Chinese astronomer, mathematician, and engineer

Charles-Eugène Delaunay

French astronomer

Ernest William Brown

British mathematician and astronomer

John Machin

English mathematician

Omar Khayyam

Persian poet and astronomer

Abū al-Wafāʾ

Persian mathematician

Galileo

Galileo

Italian philosopher, astronomer and mathematician

Archimedes

Archimedes

Greek mathematician

Giordano Bruno

Giordano Bruno

Italian philosopher

Carl Friedrich Gauss

Carl Friedrich Gauss

German mathematician

How did Ptolemy explain retrograde motion?

Ptolemy

Egyptian astronomer, mathematician, and geographer

Sir William Rowan Hamilton

Irish mathematician and astronomer

Quiz

Michael Faraday (L) English physicist and chemist (electromagnetism) and John Frederic Daniell (R) British chemist and meteorologist who invented the Daniell cell.

Faces of Science

Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.

All About Astronomy

Equations written on blackboard

Numbers and Mathematics