A new exhibition at Bletchley Park "High Spirits in Low Times" explores the ways codebreakers and their colleagues coped with the stress of the job.
Watch a video report by ITV News Anglia's Elodie Harper.
Monotonous tasks and gruelling shifts took their toll on staff, and ensuring they didn't suffer burnout was part of the war effort.
From government sponsored ultraviolet light treatment for those working night shifts to putting on plays, the recreation time led to a better balanced working life.
Betty Webb, who is now 94, used to record messages from signal staff all over the world, for others to decode.
She told ITV News it was a very monotonous job with long hours, but she enjoyed the musical life Bletchley Park offered.
The exhibition features the voices of veterans in a film and number of audio points. describing their individual experiences. There are also diaries and programmes of plays the codebreakers produced.
A performance of Pride and Prejudice had Brin Newton-John in the role of Mr Darcy - showing where his Hollywood star daughter Olivia got her talent.
Betty Webb is pleased the exhibition is being held, as it completes our view of what life was really like at Bletchley Park.