Concept

Hipparchus

Overview

2nd century Greek astronomer, geographer and mathematician

Overview adapted from Wikipedia (CC BY-SA 4.0; see the article history for authors).

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Hipparchus, who can never be sufficiently commended, as one who more especially proved the relation of the stars to man, and that our souls are a portion of heaven, discovered a new star that was produced in his own age, and, by observing its motions on the day in which it shone, he was led to doubt whether this does not often happen, that those stars have motion which we suppose to be fixed. And the same individual…
the Elder Pliny, The Boys' and Girls' Pliny
The chapter “CHAPTER V. THE DOCTRINE OF HIPPARCHUS ABOUT THE STARS.” is titled for Hipparchus; opens on Hipparchus.
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He computed the quantity of motion which could arise from this action of the Sun, and his calculations here too corresponded with the observations of Astronomers.
Adam Smith, The Essays of Adam Smith
Names Hipparchus several times; opens on Hipparchus.
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Hippias and Hipparchus assumed the control of affairs on grounds alike of standing and of age; but Hippias, as being also naturally of a statesmanlike and shrewd disposition, was really the head of the government. Hipparchus was youthful in disposition, amorous, and fond of literature (it was he who invited to Athens Anacreon, Simonides, and the other poets), while Thessalus was much junior in age, and was violent…
Aristotle, The Athenian Constitution
Names Hipparchus several times; opens on Hipparchus.
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