Final answer:
Huangdi, also known as the Yellow Emperor, is considered one of the greatest heroes of ancient China. He established a centralized state and is credited with authoring texts that influenced Chinese traditional medicine.
Step-by-step explanation:
One of the greatest heroes of ancient China is Huangdi, also known as the Yellow Emperor. Huangdi is considered both the first ruler to establish a centralized state in China and the author of the texts that served as the basis for Chinese traditional medicine for thousands of years. He is a mythical-historical sage from the third millennium BCE and is highly revered in Chinese history and culture.