Who is the scholar who has done discovery on ancient sanskrit literature?

Arthur Berriedale Keith was a distinguished Scottish Sanskrit scholar who produced important translations and studies of ancient Sanskrit texts, particularly the Vedic literature and Dharmashastras. He served as a jurist and scholar, writing extensively on Sanskrit drama, Vedic religion, and ancient Indian law. The other options - Grierson (linguist), Newton (physicist), and Johnson (literary figure) - did not specialize in ancient Sanskrit literature.