That's awesome! This post just made my day! But the question for you is, is it better to know? or not to know? (it wasn't me) :)

At my college campus we have a guy who likes to check the vending machines for loose change and food items left in the bottom. He's special needs, and I once saw the look of joy on his face when someone accidently left something behind. So every now and then, I enjoy buying a bunch of stuff and leaving it in the machine if I know he's heading to the lunchroom. His happiness makes me happy.

So whoever it is, I hope they keep surprising you for years to come! :)