They can still be found:

“I just remember looking back and seeing him at the door,” the Virginia Tech senior recalled of her professor. “I don’t think I would be here if it wasn’t for him.”

By Tuesday morning, newspapers from Washington, D.C., to Jerusalem shared the story of how Librescu — a 76 year-old Holocaust survivor — blocked his classroom doorway from a gunman while his students leapt to freedom.

“It wouldn’t amaze me he would do such a thing,” fellow engineering professor Muhammad Hajj said. “He’s that kind of person, willing to take care of others, protect others.”