K'ang Hsi was the emperor of China from 1661 to 1722. He was known for his long and prosperous reign, during which he implemented various reforms and policies that helped to stabilize and strengthen the Qing Dynasty. K'ang Hsi was also a patron of the arts and culture, and he supported the development of literature, painting, and calligraphy. He is often remembered as one of the greatest emperors in Chinese history.