Martin J. Sherwin is the author of A World Destroyed- Hiroshima and Its Legacies, which won the Stuart L. Bernath Prize, as well as the American History Book Prize, and the co-author, with Kai Bird, of American Prometheus-The Triumph and Tragedy of J. Robert Oppenheimer, which won the Pulitzer Prize for biography in 2006. He and his wife live in Washington, D.C., and in Aspen, CO.

Kai Bird is a contributing editor at The Nation and the author of several biographies, including The Chairman, The Color of Truth, The Good Spy and The Outlier.

He is the recipient of a Guggenheim Fellowship and a MacArthur Writing Fellowship