On 6 August 1945 a B-29 Superfortress Enola Gay dropped a uranium bomb, nicknamed the 'Little Boy' onto the Japanese city of Hiroshima. It was the first use of nuclear weapons in warfare - and also one of history's most controversial acts. While it almost certainly hastened the surrender of Japan to the USA and ended World War Two, it came at an incredible human cost - with 150,000 being killed in the blast and nuclear aftermath. In this podcast, first broadcast on Dan Snow's History Hit, survivor Hirata-San talks to Dan about his experiences, and his work on keeping global peace. See acast.com/privacy for privacy and opt-out information.