She was a Chemist who'd been tutored at University by a female Nobel Laureate, who was also a left wing feminist, and could actually undesrand the scientific briefings being given. She was the first major political leader to accept anthrogenic global warming as a fact (in the early to mid eighties!!!) and started to enact some policies to reduce CO2 emissions, though it wasn't couched in modern terms. She was also instrumental in getting the CFC ban to be effective by persuading rich nations to help pay for poor nations to dispose of old fridges / air cons etc in a proper manner instead of just dumping them. Have a look at when Ronnie and Maggie saved the world on You Tube, quite interesting.Probably meant thick in the skull, which still is quite unearned given that she was probably much smarter than the unions she crushed.
On the original topic of the thread there were some fringe BREXITEERS who wanted to bring back £sd (and all Imperial measurements) as Britain had only decimalised to be able to join the Common Market.