August von Gneisenau was a prominent Prussian general and military reformer born on March 26, 1760. He played a significant role in the Napoleonic Wars, particularly in the campaigns against Napoleon Bonaparte. Gneisenau was known for his strategic thinking and ability to adapt military tactics to changing circumstances. Gneisenau served as the chief of staff to Gebhard Leberecht von Blücher, another key figure in the Prussian military. His contributions to military organization and training helped modernize the Prussian army, making it more effective in battle. He passed away on June 24, 1831, leaving a lasting legacy in military history.