Warren Buffett built Berkshire Hathaway into something remarkable— andFortunejournalist Carol Loomis had a front-row seat for it all. When Carol Loomis first mentioned a little-known Omaha hedge fund manager in a 1966 Fortunearticle, she didn’t dream that Warren Buffett would one day be considered the world’s greatest investor—nor that she and Buffett would quickly become close personal friends. As Buffett’s fortune and reputation grew over time, Loomis used her unique insight into Buffett’s thinking to chronicle his work for Fortune, writing and proposing scores of stories that tracked his many