One artist who used over 170 sketchbooks is Leonardo da Vinci. He used these sketchbooks to document his observations, ideas, and experiments in various fields such as art, science, anatomy, and engineering. These sketchbooks, commonly known as the "Notebooks of Leonardo da Vinci," are a valuable resource for studying his innovative thinking and creative process.
The artist who used over 170 sketchbooks is J.M.W. Turner.
