Christopher Duffy is a British military historian. Duffy read history at Balliol College, Oxford, where he graduated in 1961 with the DPhil. Afterwards, he taught military history at the Royal Military Academy Sandhurst and the college of the British General Staff. He was secretary-general of the British Commission for Military History and vice-president of the Military History Society of Ireland. From 1996 to 2001, he was research professor at the De Montfort University, Leicester. He currently works as a freelance author. Duffy's special interest is the military history of the European modern age, in particular the history of the German, Prussian, and Austrian armed forces. He has written two books on the Jacobite Rising in Scotland in 1745. He is most famous for his writings about Frederick the Great and the Seven Years' War. Duffy is fluent in six languages and has published some twenty books about military history topics, several of which have been translated into German. 

January 1st, 1936 in (Age 88)