Ptolemy
100 – 170 · Egypt · Astronomy, Mathematics
The Almagest ruled astronomy for 1,400 years; his Geography guided Columbus.
Index entry
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Who shaped Ptolemy, and who they shaped
Inherited from
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Passed the work to3
- Al-Biruni
973 – 1048 · Astronomy, Mathematics
Al-Biruni measures against the Almagest, correcting its parameters with new observation.
- Copernicus
1473 – 1543 · Astronomy, Mathematics
Copernicus writes De revolutionibus as a reply to the Almagest, keeping its geometry and moving its centre.
- Nasir al-Din al-Tusi
1201 – 1274 · Astronomy, Mathematics
The Tusi couple is built to repair the Almagest's equant.
Sources and references
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- 1.Primary texts and first editions by or about Ptolemy
Internet Archive · Primary source
- 2.Catalogued holdings and archival finding aids for Ptolemy
WorldCat (OCLC) · Archive
Nearby in the annals
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2650 BCE – 2600 BCEArchitect of the first pyramid and the earliest named physician in history.
Zhang Heng
78 – 139Built the first seismoscope and mapped 2,500 stars.
Hypatia of Alexandria
360 – 415Mathematician and astronomer murdered by a mob; symbol of learning against zealotry.