Sir Isaac newton

Sir Isaac Newton was born in December 25,1642. Was a English physicist and a mathamatician (described in his own day natural philosopher) who is widely recognized as the most influential scientist of all time and as the key figure in scientific revolution. He died in March 20 , 1726 (aged 84)
Sir Isaac Newton built the first practical reflecting telescope and developed a theory of colour based on the observation of a prism decomposes white light into the many Colours of the visible spectrum