Three-Nine
Member
- Joined
- 5 Aug 2015
- Messages
- 175
CFCs have already been mentioned, but I’ll add leaded petrol (introduced to reduce a problem called “knocking” in internal combustion engines) because they were invented by the same person - and possibly one of the front runners for the “We’d Have Been Better Off Without Him” award - Thomas Midgley Junior. He was eventually near literally hoist by one of his own petards in the end…