Kentucky farm boy inspired to fly planes after hearing radio broadcast of Charles Lindbergh's 1927 transatlantic flight. Opened hamburger stand to raise money for lessons. Dropped out of U. of Kentucky to pursue flying career; spent 26 years as PanAm pilot. Started FlightSafety pilot training school in 1951. Public in 1968; bought out by Warren Buffett's Berkshire Hathaway for $1.5 billion in stock and cash 1996. Stake in Berkshire worth $1.9 billion today. Nonagenarian fights blindness through Orbis International; nonprofit group operates flying eye-surgical center.