Galileo Galilei, Leonardo da Vinci, female pioneers Ada Lovelace and Bertha Benz, and medieval scholar Ibn al-Haytham, to name but a few. We peer into their original notebooks and sketches ...

Detail excerpt of letter from Galileo Galilei to Belisario Vinta. Inset: Galileo's sketch of the triple body he saw through his early telescope. Credit: Galileo Galilei Saturn is one of the five ...