Lila's blog and OptimistCreed (1999-04-16), MoveOn (2007-01-16), SolveTheProblem (2007-05-24), ...) - Tuesday, December 22, 2009 at 04:45:43 (EST) Jim Gray and Jon Mathews Computer scientist Jim Gray vanished in 2007 while sailing on the ocean. He came to mind again recently when a New York Times book review appeared of The Fourth