It's worth noting that Fritz Haber is also credited with the development of chemical warfare, being one of the leaders in the deployment of chlorine gas during the 1st world war. His life is an interesting read: https://en.wikipedia.org/wiki/Fritz_Haber

He was reported on by Radiolab in an episode about the good and bad that people do: https://www.wnycstudios.org/story/180092-the-bad-show/