Yes, indeed. A man bravely managed it. He started his descent from the North Tower near the impact zone at around 9:40 a.m. He made it down about 20 floors, which is no small feat.
Here are two pictures where you can see him. It's the same picture, just enlarged. You can see the floors above him, where he descended. Undoubtedly, he watched as colleagues and people above him jumped to their deaths rather than be burned alive or forced out by the heat and smoke. That was a choice these people had made. They chose to die more quickly and painlessly than to be burned alive or suffocate in the smoke. This man chose a different option. He wanted a chance, even a miracle, so he began to descend.
Here is a photo showing one of the towers up close. As you can see, the columns on each side have hardly any support, apart from the rails for the window cleaners. If you could wedge your fingers into those grooves, it would be a very uncomfortable grip. In the photo, it looks as if he is instead balancing on the very small ledge where the floor and the window insert meet (as you can see in the picture above) and continue to extend downwards inch by inch. The distance between these columns is approximately 18.5 inches.
Theoretically, this man could have made it quite far down, but sooner or later he would have ended up on the 76th machine floor, where the space is about 25 centimeters narrower and the leverage is even less.
In this image, the dark grey lines on the towers show the mechanical floors.
It's doubtful whether this man was aware of this, because why should he have known? He wasn't a craftsman or an engineer; he simply worked there, like the more than 2,000 others who lost their lives in the towers that day. What would have happened if he had reached those floors is pure speculation, because unfortunately, he never made it that far.
He was not seen again after the collapse of the south tower. It is very likely that the collapse of the south tower caused the building to sway and that he may have lost his footing and toppled due to the wind generated by the collapsing building.
All the victims that day displayed a certain degree of bravery. This man's determination to survive speaks volumes. I can't imagine what was going through his mind. Looking down over 80 stories, seeing people falling all around him, knowing that one slip would mean the same fate. And then considering what drove him to attempt this unthinkable feat? Undoubtedly, the thought of his family. Making it down and seeing his children or his wife just one more time. He didn't give up without a fight; he showed that he would try to get out alive until the very end, and he did.


