From the Beginning to Plato

Politics and religion The arts
Isocrates
338)
active (d.
392 Aristophanes,
Ecclesiazusai
389 Aristophanes, Plutus
386 King’s Peace
Science and technology Philosophy
late 5th cent. Basic work on
irrationals by
Theodorus
Cyrene
of
1st half of 4th Theaetetus (d. 399 Trial and death of
cent.
369) generalizes
Socrates
Theodorus’ work
on irrationals and
describes
regular solids.
five
Eudoxus (d. c. 1st half of 4th Associates of
340) invents cent.
Socrates active:
general theory of
Antisthenes (d. c.
proportion and
360)
proves
Aristippus
Democritus’
(reputed founder
discoveries of
of Cyrenaic
volumes of cone
school)
and pyramid;
Aeschines
invents
Eucleides (d. c.
mathematical
380: founder of
model of cosmos
Megarian school)
as set of nested
spheres to explain
Phaedo
movements of
heavenly bodies.
Archytas solves
problem of
duplication of the
cube,
further
carries
Pythagorean work
on mathematical
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