Count August von Gneisenau was a Prussian general and military strategist who played a significant role in the Napoleonic Wars. He was known for his innovative tactics and leadership, particularly during the War of the Sixth Coalition. Gneisenau was a key figure in the reorganization and modernization of the Prussian army, and he worked closely with other prominent military leaders of his time, such as Field Marshal Gebhard Leberecht von Blücher. Gneisenau's contributions to the Prussian military and his strategic insights have left a lasting impact on military history.