Leonardo Da Vinci1

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…and animals, and they became skilled at creating the illusion of depth and distance on flat walls and canvases by using the techniques of linear perspective. Leonardo also was the first to make careful measurements and suggest rules for applying them realistically in painting. He called the subject aerial perspective. He is deservedly considered one of the greatest painters of all time. He excelled in inventiveness, technique, drawing ability, use of light, shadow, and color.