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Copernicus, Nicolaus (1473-1543)
Galileo Galilei (1564-1642)
Einstein, Albert (1879-1955)
Hipparchus (c. 180-125 BC)
Hubble, Edwin P. (1889-1953)
Jansky, Karl (1905-1950)
Kepler, Johannes (1571-1630)
Newton, Issac (1642-1727)
Shapley, Harlow (1885-1972)
Hawking, Stephen (1942-1998+)

Claudius Ptolemy (c 87-150 AD)

Claudius Ptolemy (c 87-150 AD)

Claudius Ptolemy was an Alexandrian astronomer, mathematician and geographer. He based his work on the belief that all heavenly bodies rotate around the earth.

Information on the work of Ptolemy including pictures, diagrams and links

Description of the Ptolemaic System

Information on the astronomical work of Ptolemy

Biography of Ptolemy and equations to do with his work

Information and links to nine famous Alexandrian mathematicians including Ptolemy

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