Sir Isaac Newton (ēac Nīwtūn) FRS (geboren on þǣm 4 dæge þæs Æfteran Gēolan þæs 1643 gēares - cwæl on þǣm 31 dæge Hrēðmōnaðes þæs 1727 gēares) wæs Englisc līchāmlagmann, rīmcræfta, wita, andtimbercræfta, and godlārmann þe is beþōht be manigum bōcerum and and folclicum lēodum wesan ān betweox þǣm hefigostum mannum stǣres. His yppung of Philosophiæ Naturalis Principia Mathematica (oftost Principia gehāten - sēo awendung þæs fullan naman is Gecyndelic Lār Wīsena Rīmcræftes) on þǣm 1687. gēare is beþōht wesan ān betweox þǣm hefigum bōcum on stǣre witancræftes - hit grundstaðolode þone mǣstan dǣl gemǣnes, ealdes weorccræftes.