Silicon Graphics Being Sold To Rackable For Peanuts Om Malik Apr. 1, 2009 - 11:26 AM PDT Apr. 1, 2009 - 11:26 AM PDT 20 Comments Earlier this month, Jim Clark, the 65-year-old maverick entrepreneur well known for starting companies such as Netscape and Healtheon, tied the knot with 28-year-old Australian supermodel Kristy Hinze.