Antoine-Henri Jomini — The Art of War (1838)
Swiss officer who served under Napoleon and later the Russian Tsar. His systematic, geometric approach to strategy dominated 19th century military thought and heavily influenced American Civil War generalship.
Core Concepts
Interior Lines
Concentrate force along interior lines to defeat enemy forces in detail before they can combine. Fundamental geometric principle of operational art.
Decisive Points
Identify and mass against the decisive point on the battlefield or theater. Predecessor to modern center of gravity analysis.
Principles of War
Jomini’s systematization contributed directly to the modern principles of war adopted by most Western militaries: Mass, Objective, Offensive, Surprise, Economy of Force, Maneuver, Unity of Command, Security, Simplicity.
Jomini vs. Clausewitz
| Jomini | Clausewitz |
|---|---|
| Prescriptive principles | Descriptive theory |
| Geometric/scientific | Psychological/political |
| Universal rules | Context-dependent |
| War as art with rules | War as chaotic human endeavor |
Both studied Napoleon; drew very different lessons. Modern military theory integrates both perspectives.