Hi Elisabeth! Obviously, I’m way too late responding to this (has everyone figured out not to send me time sensitive questions yet?) so I’m sorry for that! Maybe this will come in handy for the next holiday or birthday though.
Unfortunately, I don’t know anything about woodworking, but if he doesn’t have one already, a comprehensive toolkit is probably a good place to start. If he does, dudes at Home Depot can probably steer you in a good gift direction.
Otherwise…
I bet this Tom Ford tobacco vanilla cologne smells really good.

Something to carry all those books around on his commute?

or this one:

Flasks always go over well. I can personally vouch for this one.

This match safe is kind of a cool, posh little gadget.

This iphone alarm clock is pretty manly.

What are your thoughts on fancy maple syrup?

Perhaps he’d prefer a personalized coat rack made of spoons?

I’m a little obsessed with how awesome this scarf is.

Crazy sexy pen?

That’s all I got.