Opticorum recensio Theonis
Alexandria · 370
T
Theon of Alexandria
Theon of Alexandria
c. 335 CE · Alexandria
Theon of Alexandria (c. 335-c. 405 CE) was a Greek mathematician and astronomer who worked at Alexandria and is known for his editions of and commentaries on earlier mathematical works, including an influential edition of Euclid's Elements and commentaries on Ptolemy's astronomical writings. He was the father of the mathematician and philosopher Hypatia. He is distinct from the earlier Theon of Smyrna.
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AlexandriaEgypt
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About Alexandria
Alexandria is the main Mediterranean port of northern Egypt and the country's second city. Founded by Alexander the Great in 331 BCE, it became the capital of the Ptolemies, whose Museum and Great Library made it the leading centre of Hellenistic learning. It also held one of the largest Jewish communities of antiquity, where the Greek Bible translation known as the Septuagint was produced and Philo wrote. Church tradition traces its patriarchate to Mark the Evangelist, and its catechetical school was led by Clement and Origen. Arab forces under Amr ibn al-As took the city in 641, and it remained a commercial and scholarly hub of the Islamic world; the Sufi master Ibn Ata Allah al-Iskandari was born there.
In Alexandria at the same time
Across the traditions, in Alexandria at the same time
In the same place & time
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Sages whose lives overlapped with Theon of Alexandria’s in the same cities, drawn from their recorded journeys.
Across the traditions
In the same tradition
The world in their lifetime
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Thinkers and teachers of other traditions whose lives overlapped with Theon of Alexandria’s — a glimpse of the wider world they lived in. Drawn purely from recorded birth and death years.