This is Giotto. He's considered the main hinge between the Renaissance and what all came before it. The Renaissance (the age of humanism) seems to have been a big shift for western culture and is the birth of the ideas and principles of what we now call architectural practice.
Watch this video of Giotto's work and think about words like:
Perspective
Figural
Illustrative
Extending
Narrative
We'll be talking about this in the next few weeks and working past it. Give it your consideration.
