Christopher Bassford is an American military historian, best known for his works on a Prussian military philosopher that died in what year? 
Christopher Bassford: Christopher Bassford (born 1953) is an American military historian, best known for his works on the Prussian military philosopher Carl von Clausewitz. Carl von Clausewitz: Carl Philipp Gottfried (or Gottlieb) von Clausewitz ( ; 1 June 1780 – 16 November 1831) was a Prussian general and military theorist who stressed the "moral" (meaning, in modern terms, psychological) and political aspects of war.
1831