Sir Isaac Newton Quotes<br /><br />The three principles of motion and calculus were both developed by Sir Isaac Newton, an English physicist who was born in Woolsthorpe, Lincolnshire, on December 25, 1642.<br />In 1661, Newton enrolled in Cambridge, where he later found the writings of René Descartes, sparking his interest in science. Four years later, he earned his bachelor's degree.<br />Newton gained notoriety in 1669 when a small group of people were given access to his work, De Analysi per Aequationes Numero Terminorum Infinitas (On Analysis by Infinite Series), which detailed his advances in calculus.