Robert Oppenheimer in 1965 on if the bomb was necessary
In a 1965 interview with CBS News, J. Robert Oppenheimer said about the atomic bomb, "The ending of the war by this means, certainly cruel, was not undertaken lightly.
1965-07-19 19:00:00 - CBS News
But I am not, as of today, confident that a better course was then open. I have not a very good answer to this question."