Were these his only writings, he would have remained a respected but minor figure.^[1]^. 1  _Against the Academics_. 386 A.D. (Contra academicos) 2  On Providence. 386 A.D. (De ordine) 3  On the Blessed Life. 386 A.D. (De beata vita) 4  Soliloquies. 386/387 A.D. (Soliloquia)
The evidence strongly suggests that 1,100 or more people in or above the impact zones survived the initial crashes, roughly 300 in the south tower and 800 in the north. Many of those lived until their building collapsed.
No one on the 91st floor or above is believed to have survived. The New York Times estimated that 1,344 of the people in this zone perished. It is not clear how many remained alive until the collapse, but many parts of the upper floors filled with toxic smoke long before.