John Dee's work has been overshadowed by alleged dealings with the occult, trying to talk to angels and suggesting the date for Elizabeth I's coronation. His influence on navigation is lesser known.

Find out about his life and ideas in the https://t.co/7cNDGz38v2

16 23

Life on a 19th century merchant ship was a perilous one. Discover why in this fascinating study into deaths at sea using the collection of crew lists and logbooks at the https://t.co/nHIjXDPJ4X

5 8