New York Times columnist Nicholas Kristof will speak at Duke University next week about gender inequality in the developing world.

Kristof is the keynote speaker for Duke's Jean Fox O'Barr Distinguished Speaker Series. The lecture is scheduled for Sept. 17 at 7:30 p.m. in Page Auditorium. It is free and open to the public, and will be followed by a book signing.

Kristof, a two-time Pulitzer Prize winner, is the co-author of a new book, "Half the Sky: Turning Oppression Into Opportunity for Women Worldwide."