Article describes the experience of William Laurence, writer for the New York Times, who was a firsthand witness to the nuclear testing on July 16, 1945 at Alamogordo, New Mexico and to the nuclear bombing of Nagasaki on August 9, 1945. Article describes the nature of military censorship of reporting of the nuclear bombs, the true nature of which, was carefully concealed. For example, his article on Nagasaki was not reported until a month later.
August 6, 2015 – The New York Times
http://www.nytimes.com/times-insider/2015/08/06/1945-witnessing-the-a-bomb-but-forbidden-to-file/
Nansei Hibakusha 