After they were safe, he did this again. And again. And again.
More than 18 survivors told first responders about this man who saved them, but no one knew who he was.
More than a year after 9/11, Welles body was found at Ground Zero.
When the tower collapsed, he was huddled with FDNY firefighters at a makeshift command post in the lobby.
Every time I'm in NYC, I stop by and think about his story — about the type of human who runs up when everyone else is running down.