Just days after the United States decimated Hiroshima and Nagasaki with nuclear bombs, the Japanese surrendered unconditionally. But the US government and military had begun a secret propaganda and information suppression campaign to hide the devastating nature of these experimental weapons. Occupation forces closed the atomic cities to Allied reporters, preventing leaks about the horrific long-term effects of radiation which would kill thousands...

A portrait of the wartime scientist, Harvard University president and presidential advisor, written by his granddaughter, places his life against a backdrop of key historical events to offer particular insights into his oversight of the Manhattan Project and subsequent campaigns in support of atomic weapon control at the international level.