Dhanvantari

Dhanvantari () is the physician of the devas in Hinduism. He is regarded as an avatar of Vishnu. He is mentioned in the Puranas as the god of Ayurveda.

During his incarnation on earth, he reigned as the King of Kashi, today locally referred to as Varanasi. Dhanvantari is also identified as the great-grandfather of Divodasa, the King of Kashi mentioned in the Vishnu Purana who is known as the father of surgery in Ayurveda. Provided by Wikipedia