Comment by pjc50

There was https://www.realclearscience.com/blog/2019/09/12/the_fear_th... , but that was (validly) dismissed by other scientists working on it, and also wasn't a discussion that was happening in public because the entire program was secret.

"This will kill a lot of (other) people" was explicit in the building of the bomb, but then so was the entire war effort.