Ptolemy (1 janv. 90 – 1 janv. 168)
Description:
Roman, ethnically Greek or Hellenized Egyptian.Claudius Ptolemy was a 2nd-century Greek mathematician, astronomer, and geographer famous for his controversial geocentric theory of the universe. He compiled a star catalog and the earliest surviving table of a trigonometric function and established mathematically that an object and its mirror image must make equal angles to a mirror. (Wikipedia, 2023)
Ajouté au bande de temps:
Date:
1 janv. 90
1 janv. 168
~ 78 years
