en.wikipedia.org/wiki/Hipparchus

Hipparchus of Nicaea was a Greek astronomer, geographer, and mathematician. He is considered the founder of trigonometry but is most famous for his ...

www-groups.dcs.st-and.ac.uk/history/Biographies/Hipparchus.html

Little is known of Hipparchus's life, but he is known to have been born in Nicaea in Bithynia. The town of Nicaea is now called Iznik and is situated in ...

www.britannica.com/biography/Hipparchus-Greek-astronomer

Hipparchus: Nicaea, Bithynia [now Iznik, Turkey] after 127 bc Rhodes? Greek astronomer and mathematician who made fundamental contributions to the ...

abyss.uoregon.edu/~js/glossary/hipparchus.html

Hipparchus of Rhodes: Hipparchus, (b. Nicaea, Bithynia--d. after 127 BC, Rhodes?), Greek astronomer and mathematician who discovered the precession of the ...

www.britannica.com/biography/Hipparchus-Greek-astronomer/Lover-of-truth

Hipparchus, also spelled Hipparchos (born , Nicaea, Bithynia [now Iznik, Turkey] —died after 127 bc , Rhodes?), Greek astronomer and mathematician who ...

fermatslasttheorem.blogspot.com/2006/04/hipparchus-of-rhodes.html

Apr 16, 2006 ... Hipparchus is considered by many to be the father of trigonometry ... Hipparchus was born around 190 B.C. in the town of Nicaea and died ...

www.thefamouspeople.com/profiles/hipparchus-7480.php

Jun 1, 2016 ... Hipparchus was a Greek astronomer and mathematician. ... Hipparchus was born in 190 BC in Nicaea, Bithynia which is presently known as ...

www.newworldencyclopedia.org/entry/Hipparchus_(astronomer)

Feb 24, 2014 ... There is a strong tradition that Hipparchus was born in Nicaea (Greek Νικαία), in the ancient district of Bithynia (modern-day Iznik in province ...

www.crystalinks.com/hipparchus.html

Hipparchus (ca. 190 BC - ca. 120 BC) was a Greek astronomer, geographer, and mathematician. He was born in Nicaea (now Iznik, Turkey) and probably died ...