Explanation: The Kanishka  patronized great scholars and eminent personalities of that era such as:

• Ashvagosha: A Buddhist scholar who wrote the hagiographic Buddhacharita (the sacred biography of the Buddha) and composed the Saundarananda (a Sanskrit kavya).
• Charaka: He is known as the father of Ayurveda who wrote a book on medicine called Charaksamhita and also wrote the Sasruta.
• Vasumitra: An eminent philosopher who authored the encyclopaedia of Buddhist philosophy called Mahavibhasa.

Source: Poonam Dahiya