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General

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)

Ptolemy (2nd Century AD)

Shapley, Harlow (1885-1972)

Hawking, Stephen (1942-1998+)

Issac Newton was an English physicist and mathematician who invented calculus, discovered the laws of motion and gravity, layed the foundations of spectroscopy and built the first reflecting telescope |

Biography of Sir Issac Newton including his work on optics, fluxional method and principia

http://www.geocities.com/Athens/Acropolis/6681/newtonb.htm

A biography of Issac Newton including information on his work and a famous quote

http://scidiv.bcc.ctc.edu/Math/Newton.html

The life of Issac Newton as well as information on his work in optics, the fluxional method and the principia

http://www.newton.cam.ac.uk/newtlife.html

A short account of the history of mathematics with Sir Issac Newton

http://www.maths.tcd.ie/pub/HistMath/People/Newton/RouseBall/RB_Newton.html

Another biography of Sir Issac Newton

http://www.treasure-troves.com/bios/Newton.html