Single important chem enginering of all time
What would you say would be the single, most impactful chemical engineering event of all time? Specific event too, not real broad category(e.g. like saying electronics) & why you believe so.
My vote would be the development of gunpowder. Whether good or bad, this mixture of sulfur, charcoal & potassium nitrate attributed to the Chinese has changed the world's society many times over and still continues to do so throughout centuries.
There are many other equal nomination possibilities so lets hear yours!