Nicholas Lemann is a veteran American journalist and author. For the past fifteen years he has been a staff writer for The New Yorker, and for the fifteen years before that he was national correspondent of The Atlantic Monthly. In those jobs he covered a wide range of stories in the US and abroad, on politics, economics, and society. From 2003 to 2013 he was dean of Columbia University's Graduate School of Journalism.

His most recent books, all reviewed on the front page of The New York Times Book Review, are: The Promised Land: The Great Black Migration and How It Changed America (1991); The Big Test: The Secret History of the American Meritocracy (1999); and Redemption: The Last Battle of the Civil War (2006).