Henri Dufour was a Swiss general and engineer, born on January 10, 1787, in Geneva. He is best known for his role in the Swiss Army during the mid-19th century, particularly for his leadership in the Sonderbund War of 1847. Dufour was instrumental in unifying Switzerland and promoting a sense of national identity. In addition to his military career, Dufour was also a prominent cartographer. He created detailed maps of Switzerland, which contributed to the country's geographical knowledge. Dufour's legacy includes his commitment to humanitarian efforts, as he later became involved with the International Committee of the Red Cross.