Eudoxus of Cnidus, Greek philosopher and astronomer who has expanded on Plato's ideas (or 355 BC) (b. 410 BC or 408 BC)
Eudoxus of Cnidus, Greek astronomer, mathematician, physician, scholar and adherent of Pythagoras (d. c. 355 BC)
Scholars of the 19th century, however, argued against Hesiodic authorship, going so far as to assign the poem to the Hellenistic Period following the work of Eudoxus.
Eudoxus of Cnidus (c. 408 BC – c. 355 BC), Greek astronomer and mathematician
In astronomy, the Levogyre is the long since discredited structure of the Universe proposed by ancient Greek astronomer Eudoxus of Cnidus: A series of nested crystalline spheres which contains fixed stars and moving planets which rotate around an immovable Earth with each sphere connected a randomly distributed series by gimbal-like axes.
The discrepancy between rationals and reals was finally resolved by Eudoxus of Cnidus, a student of Plato, who reduced the comparison of irrational ratios to comparisons of multiples (rational ratios), thus anticipating Richard Dedekind's definition of real numbers.