The "father of chemical watfare", who implemented the WWI gases, the nerve agent chemical weapon (Sarin), and on the other hand the industrial method of ammonia synthesis, which put the end to mass hunger by producing fertilizers from air (got the Nobel Prize for that), obviously, the method was used first of all for explosives.
A very distracting person himself (wife and son committed suicide). Wasn't an official fascist only because died in 1933 (ideologically was totally for that).
https://en.wikipedia.org/wiki/Fritz_Haber
The ammonia process was first implemented by now-BASF corporation, which is basically the renamed
https://en.wikipedia.org/wiki/BASF#IG_Farben
Should we stop eating?