Lindhome Mil may have soldiered on until '77 but while I was there in '73, the civil controllers were getting posting notices for LATCC or Eastern and some were about to go/had already gone.
Judy H came to Farnborough at some time (more than 10 years ago, more like late '80s) and before she could validate, was diagnosed with a medical problem (can't remember exactly what but it could have been cerebral) and was posted to a desk job in London.