Sphaerica
Prusa
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Theodosius of Bithynia
Theodosius of Bithynia
c. 160 BCE–c. 100 BCE · Prusa
Theodosius of Bithynia (active around the 2nd or 1st century BCE) was a Greek mathematician and astronomer, best known for the Spherics, a treatise on the geometry of the sphere that became a standard text for the mathematical study of astronomy. Other works on geography and astronomical phenomena are also attributed to him.
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PrusaBithynia
We know they were here, but the specifics of what they did at this stop aren’t recorded yet in our corpus.
About Prusa
Prusa, modern Bursa in northwestern Turkey, was a city of Bithynia at the foot of Mount Olympus (Uludağ). It was the home city of the orator and philosopher Dio Chrysostom (Dio of Prusa). The mathematician and astronomer Theodosius is also commonly associated with Bithynia.
The world in their lifetime
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Thinkers and teachers of other traditions whose lives overlapped with Theodosius of Bithynia’s — a glimpse of the wider world they lived in. Drawn purely from recorded birth and death years.