who is the oldest person in the world?
The oldest person in the world is Jeanne Calment. She was born on 21st February, 1875 and died in France in 1997 with 122 years. You can find a list of the oldest people at http://en.wikipedia.org/wiki/Oldest_people.
Since you asked who is and not who was, Besse Cooper, 115 born, Aug. 26, 1896