And would you like to share something about your expertise? I personally study post 1850 art at a university.
From what I understand Filippo Brunelleschi figured it out in the 15th century, but why exactly did it take such a long time? When we look at the world you can tell that two parallel lines will appear to converge into the distance
I understand that 3+ points might be harder to solve, but 1/2 is just something you can clearly observe