Michael Gwynne Dyer OC is a British-Canadian military historian, author, professor, journalist, broadcaster, and retired naval officer. Dyer rose to prominence in the 1980s with the release of his television series War in 1983 and the publication of an accompanying book in 1985. Since the 1960s he has lived in London, England, where he works as a syndicated columnist. Dyer is a noted expert in Middle Eastern affairs, having completed his graduate work in this area and written several books on the subject. More recently he has focused on climate change and its geopolitical consequences.