Bel Kaufman is an American teacher and author, best known for writing the 1965 bestselling novel "Up the Down Staircase". At age 99 she became the oldest known hired professor. She is now 101 years old (100 in this video) and as bright and delightful as ever.
[video width="600" height="400" ]http://www.youtube.com/watch?v=Bg0_ITG01bs[/video]