* Laura Carstensen - research at Stanford university's [http://www-psych.stanford.edu/~lifespan/llc.htm ''Life-span Development Laboratory''], and [http://longevity.stanford.edu/about/people/leadership/carstensen ''Stanford Center on Longevity''].
* [http://www.ifa-fiv.org International Federation on Aging]—informs and promotes positive change for old people globally
* [http://www.ageuk.org.uk Age UK]—UK charity supporting those in old age in the UK and in developing countries
* [http://www.helpage.org HelpAge International]—UK-based international charity supporting older people in developing countries. Sister organisation of Age UK (above)
* [http://news.bbc.co.uk/2/hi/health/8183522.stm People 'get happier as they age']
