I have no regrets. I think we did right, and we couldn’t have done differently. …
when you are in a war, to the death, I don’t think you stand around and ask, “Is it right?”
Leona Marshall Libby was an American physicist who helped build the first nuclear reactor and the first atomic bomb.
Working on the Bomb: An Oral History of WWII Hanford
by S. L. Sanger, Craig Wollner
(1995)
Asked many years later about how she felt about her involvement in the Manhattan Project, Leona Marshall Libby said: