Who was an influential artist during the renasaince

Leonardo da vinci, donatello, raphael

There are a lot of options you can choose from:

Leonardo Da Vinci

Michelangelo

Donatello

Explanation:

Da Vinci - Painted the Mona Lisa, one of the most famous pieces of artwork of all time. You could also research the various inventions he designed and his work as a scientist (like his experiments in anatomy).

Michelangelo - Most well-known for painting the ceiling of the Sistine Chapel, and his various sculptures.

Donatello - Also known for his sculptures.

The most influential would probably be Da Vinci.