Grant Young , the library 's digitization manager , said the collection contained `` perhaps some of the most important papers and documents in the history of science , '' which would give viewers a valuable insight into Newton 's working methods . Sir Isaac Newton 's manuscripts published online by Cambridge University Library . More than 4,000 pages -- a fraction of university 's Newton archive -- digitized so far . Comment: Newton described law of gravity , developed calculus , studied properties of light .
Sir Isaac Newton 's manuscripts published online by Cambridge University Library . More than 4,000 pages -- a fraction of university 's Newton archive -- digitized so far . Comment: Newton described law of gravity , developed calculus , studied properties of light .