Older entrepreneurs 'making a tangible difference in the world'

The five winners of AARP's Purpose Prize have improved the world around them and found new purpose themselves.

Related Keywords

Nigeria ,Irvine ,California ,United States ,New York ,Alabama ,Berkeley ,India ,Morocco ,Columbia University ,Laura Stachel ,Ken Falke ,Janice Malone ,Albert Schweitzer ,Peter Jensen ,Hal Aronson ,Don Schoendorfer ,Blum Center ,Boulder Crest Foundation ,Macarthur Foundation ,World Health Organization ,Us Navy ,Free Wheelchair Mission ,Yahoo ,National Institute Of Mental Health ,Boulder Crest ,National Institute ,Mental Health ,Care Solar ,Developing Economies ,Solar Suitcase ,