15 February 1564 – 8 January 1642, was an Italian physicist, mathematician,astronomer, & philosopherwho played a major role in the Scientific Revolution. His achievements include improvements to the telescope & consequent astronomical observations and support for Copernicanism <---((copernican) of radical or major importance; "a Copernican revolution in modern art") Galileo has been called the "father of modern observational astronomy the "father of modern physics", the "father of science", and "the Father of Modern Science".