Sebastian Le Prestre de Vauban was a French military engineer born in 1633. He is best known for his innovative designs in fortifications and siege warfare during the reign of King Louis XIV. Vauban's work significantly influenced military architecture, leading to the construction of numerous star forts across Europe. Vauban served as a military advisor and played a crucial role in several campaigns, enhancing the effectiveness of the French army. His contributions earned him the title of Marquis and recognition as one of the greatest military engineers in history. He passed away in 1707, leaving a lasting legacy in military engineering.