大象传媒

This week we've been hearing the fascinating stories of what it was like working at Bletchley Park - the home of codebreaking during the Second World War.

Every single person - regardless of what their job was - had to sign the Official Secrets Act. So what was it like knowing that you couldn't talk about what you did? What about friends, family?

Manpreet Mellhi has been talking to Beryl Middleton who was a WREN during the war, tour guide at Bletchley Park Philomena Higgins whose mother worked at Bletchley, and Nina Horwood who worked in Block B Naval section. Here are there stories, in that order...