I'm applying to Columbia University early decision. Columbia allows teachers to write their recommendations online. I confirmed with one of my teachers that I'd need a rec on 9/28, sent him the notification email to set an account up on 10/4. On 10/21 reminded him about it. I
I told him the recommendation was due November 1st -- it's actually due on the 2nd. I just checked online and he hasn't done it yet.
It'd be rude to hit him with another email, right? I know he has eight hundred of these things to write, it's a holiday, and I can't help but feel like I'm bothering him every time I do it. On the other hand, I get this awful queasy feeling whenever I think about it.
What's the best, most tactful way to deal with this situation?