Roger Lowenstein, author of the bestselling Buffett: The Making of an American Capitalist, reported for The Wall Street Journal for over a decade and wrote the stock-market column "Heard on the Street" from 1989 to 1991 and the "Intrinsic Value" column from 1995 to 1997. He now writes a column in SmartMoney magazine and has written for The New York Times and The New Republic, among other publications. He has three children and lives in Westfield, New Jersey.