And also Zyklon which would become Zyklon B when the warning eye irritant was removed to make it a better weapon for murdering people. There was a RadioLab[1] e

And also Zyklon which would become Zyklon B when the warning eye irritant was removed to make it a better weapon for murdering people. There was a RadioLab[1] episode that talked about how it was eventually used on some of his own relatives. [1] http://www.radiolab.org/story/180132-how-do-you-solve-problem-fritz-haber/ http://www.radiolab.org/story/180132-how-do-you-solve-proble...