(taking an oral iclicker quiz in my history of interior furnishings and architecture class.)
the only work michelangelo ever signed was....
person in class: i'm almost 99% sure it was the mona lisa.
...and i'm almost 99% sure it's common knowledge that the mona lisa was painted by da vinci.
if you didn't know that, basically, i just saved you from a lifetime of humiliation. i wish someone would have done the same for the boy sitting behind me. poor guy.