Leonardo da Vinci was an Italian polymath, known for his expertise in various fields such as painting, sculpture, architecture, science, mathematics, engineering, anatomy, and more. He is widely considered one of the greatest artists of all time and is renowned for works such as the "Mona Lisa" and "The Last Supper." Da Vinci's scientific and engineering contributions were also groundbreaking, and he is often credited with conceptualizing inventions far ahead of his time. His diverse talents and contributions have made him an iconic figure in the history of art and science.