In 1971, researchers at Johns Hopkins University embarked on an ambitious effort to identify brilliant 12-year-olds and track their education and careers through the rest of their lives.

Source: http://www.bostonglobe.com/ideas/2014/03/15/the-poor-neglected-gifted-child/rJpv8G4oeawWBBvXVtZyFM/story.html