Historian Professor Ed Coss, a leading researcher on the role of psychology on soldiers across history, joins me to talk about his innovative research discovering the possibility of Napoleon suffering from Traumatic Brain injuries, and a startling diagnosis of Narcisstic Personality Disorder.

Buy the book: https://www.helion.co.uk/military-history-books/the-sword-and-the-spirit-proceedings-of-the-first-war-and-peace-in-the-age-of-napoleon-conference.php?sid=1574ac130a3757e2e6a4e5f0e794236c

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