Galileo Galilei (Àdàkọ:IPA-it; 15 February 1564 – 8 January 1642) je ara Italia onimo fisiiki, mathematiiki, olutorawo, ati onimo oye to ko ipa pataki ninu Ijidide Sayensi. Die ninu awon aseyori re ni atunse si teliskopu ati awon akiyesi irawo to se, ati itileyin ise Copernicus. Won ti pe Galileo ni "baba itorawo oniakiyesi odeoni," "baba fisiiki odeoni," the "baba sayensi," ati "Baba Sayensi Odeoni." Stephen Hawking so pe, "Galileo, ju elomiran, lo sise fun ibi sayensi odeoni." O'Connor, J. J. "Galileo Galilei". The MacTutor History of Mathematics archive. University of St Andrews, Scotland. Retrieved 2007-07-24.  Unknown parameter |coauthors= ignored (|author= suggested) (help) F. Vinci, Ostilio Ricci da Fermo, Maestro di Galileo Galilei, Fermo, 1929. http://genealogy.math.ndsu.nodak.edu.id.php?id=134975 Drake (1978, p.1). The date of Galileo's birth is given according to the Julian calendar, which was then in force throughout the whole of Christendom. In 1582 it was replaced in Italy and several other Catholic countries with the Gregorian calendar.