Answer:
a. Brunelleschi
Explanation:
Brunelleschi is the brain behind this theory of linear perspective. He came up with this in 1415, he was an Italian architect. This theory is all about the creation of an illusion in a flat surface by making it seem like it has a depth. The theory has to do with the creation of an illusion of distance and space. The theory was later documented by Batista Alberti
