How can I find people who worked in the Liverpool English Electric factory in the 1960s?

I am looking for people who worked in the English Electric factory in the 1960s who may remember my grandfather. Can anyone give me advice on how to find people?|||Try Friends Reunited?|||Often these companies have a pensioners magazine that may shed some light.|||Set up a facebook page for it. Contact the Liverpool Echo, Bootle Times or even one of the nationals.|||Email the Editor at Liverpool Echo