Aberfan totally changed my life. I was a lab technician with the NCB in South Wales when it happened, and soon after the disaster the Coal Board woke up to the perils and possible consequences of badly constructed coal tips. They started a laboratory in Yorkshire to do various tests on pit muck with the aim of improving tip safety and finding possible civil engineering possibilities for using the stuff. I got a job in that laboratory and moved North, and have been here in South Yorkshire ever since.
It's an ill wind etc.... I'm not glad Aberfan happened but I AM glad I was able to make the move.
Ray