Final answer:
The artist whose painting depicts his dentist and sister is Vincent van Gogh.
The answer is option ⇒a
Step-by-step explanation:
One of the most prominent Post-impressionists, van Gogh painted in an instinctive style that later influenced many modern artists. His close relationship with his brother Theo is well-documented in their correspondence, shedding light on van Gogh's life and artwork.
Although van Gogh only sold one painting during his lifetime, his works are now considered some of the most valuable and renowned in the world of art. The painting in question likely refers to "Portrait of Dr. Gachet," the piece featuring his dentist and his sister titled "The Roulin Family" series.
The answer is option ⇒a