Fragmenta
Athens
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Speusippus
Speusippus
c. 408 BCE–c. 338 BCE · Athens
Speusippus (c. 408-339/338 BCE) was a Greek philosopher, the nephew of Plato, who succeeded him as head of the Academy in Athens. He developed and revised aspects of Platonic philosophy, particularly in mathematics and metaphysics, though his works survive only in fragments and later reports.
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AthensAttica (Greece)
We know they were here, but the specifics of what they did at this stop aren’t recorded yet in our corpus.
About Athens
The intellectual capital of the Greek world, where Socrates questioned in the agora and four great schools—Plato's Academy, Aristotle's Lyceum, the Stoa, and Epicurus' Garden—took root within a single square mile.
In Athens at the same time
Sophocles, Gorgias of Leontini, Euripides, Socrates, Prodicus, Democritus
In the same place & time
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Sages whose lives overlapped with Speusippus’s in the same cities, drawn from their recorded journeys.
In the same tradition
Sophocles, Gorgias of Leontini, Euripides, Socrates, Prodicus, Democritus, Thucydides, Critias, Antisthenes, Aristophanes, Lysias, Andocides, Isocrates, Alcidamas, Xenophon, Plato, Isaeus, Diogenes of Sinope
The world in their lifetime
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Thinkers and teachers of other traditions whose lives overlapped with Speusippus’s — a glimpse of the wider world they lived in. Drawn purely from recorded birth and death years.