Well, any of us who has ever looked through a telescope could say ... the refractor by Galileo and the reflector by Newton. Those two scientific geniuses, as Sir Isaac himself acknowledged ...

Isaac Newton changed ... reconsider the design of the telescope, which up until this point was a large, cumbersome instrument. By using mirrors instead of lenses, Newton was able to create a ...

Isaac Newton was born ... the invention of the reflecting telescope (1668), and his revelation in his Principia of the mathematical ordering of the universe are all represented on his monument in ...

New Scientist once described Isaac Newton as “the supreme genius and ... of his experiments with light was the Newtonian telescope, still widely used today. Newtonian telescopes use a reflecting ...