He was once thought to be a potential successor to Mr. Paterno in the 1990s, but according to the grand-jury report in the Sandusky case, Mr. Paterno told Mr. Sandusky in a May 1999 meeting that he wouldn't be the next head coach at Penn State.

WSJ: Joe Paterno Dies At 85 From Lung Cancer Complications

And his 2004 assertion, that "the tectonic plates appear to be moving" within the government, seemed to suggest he thought Tony Blair should have made way for his successor sooner rather than later.

BBC: The John Prescott story

The thought leadership process as core to SEO, incorporating strategizing, productizing and monetizing, is the natural successor to the more traditional SEO of today.

FORBES: The Successor to Traditional SEO