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JANNA LEVIN is a professor of physics and astronomy at Barnard College of Columbia University, and has contributed to an understanding of black holes, the cosmology of extra dimensions, and gravitational waves in the shape of spacetime.
She is also director of sciences at Pioneer Works, a center for arts and sciences in Brooklyn. Her previous books include *How the Universe Got Its Spots* and a novel, *A Madman Dreams of Turing Machines*, which won the PEN/Bingham Prize. She was recently named a Guggenheim fellow.
Her latest book, *Black Hole Blues and Other Songs from Outer Space*, is the inside story on the discovery of the century: the sound of spacetime ringing from the collision of two black hole over a billion years ago.