A short history of Sir Isaac Newton, the mathematician and physicist that helped invent and explain some of the most fundamental laws of science. When you purchase through links on our site, we ...

1672: Sir Isaac Newton’s reflecting telescope Sketch of Newton’s telescope. Image Source: Library of Congress Washington, D.C. 20540 USA. Digital ID: ...

Isaac Newton's personal copy of the 1717 second edition of Opticks, ... He gave a demonstration of his telescope to the Royal Society in 1671. ... Sir James Musgrave, ...

The first telescopes, known as refracting telescopes, were built in the early 17th century by Dutch eyeglass makers. They employed a pair of lenses—one convex fitted at the end of the scope, and one ...