All this week we are counting down the top five of our History\u2019s Greatest Mysteries poll. In today\u2019s episode, historian Elma Brenner discusses the 500-year-old Voynich Manuscript, whose mysterious text has baffled some of the greatest code-breakers. Historyextra.com/podcast Hosted on Acast. See acast.com/privacy for more information.\nLearn more about your ad choices. Visit podcastchoices.com/adchoices