If you liked the film Hidden Figures or The Bletchley Circle TV series, check out The female code-breakers who were left out of history books. This is a 10 October 2017 BBC story by Chris Baraniuk which looks at female code-breakers from Ada Lovelace onwards but with a focus on the past 100 years, i.e. from  1917, when the United States is just entering World War One.

Over the last 100 years, women have had significant, high-level roles in breaking secret codes – from Nazi ciphers to the secret messages of Al Capone’s gang – but their contribution is only just emerging

See http://www.bbc.com/future/story/20171009-the-female-code-breakers-who-were-left-out-of-history-books )

---