Claudius Ptolemy Claudius Ptolemy (AD 100?-170?) was probably one of the most famous astronomers and mathematicians, even though most of his theories were later proved wrong or incorrect.. http: //library.thinkquest.org/23830/ptolemy.htm
Clyde Thombaugh Clyde Thombaugh (1906-1997) is well in the astronomer hall of fame. He was the final discoverer of planet pluto after many years of research http: //library.thinkquest.org/23830/thombaugh.htm
Edmund Halley Edmund Halley (1656-1742) was a British Astronomer, who was the first to calculate a comet's orbit. He went to the University of Oxford http: //library.thinkquest.org/23830/halley.htm
Galilei Galileo Galilei Galileo (1564-1642) an Italian physicist and astronomer, was greatly remembered for some very important contributions to astronomy and physics.. http: //library.thinkquest.org/23830/galilei.htm
Historia-Women Scientists in History A site for children, with a lot of images and information about women scientists through history. http: //liquidleaf.com/historia/historia.html
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