Raja Ravi Varma Koil Thampuran was a celebrated Indian painter and artist. He is considered among the greatest painters in the history of Indian art for a number of aesthetic and broader social reasons. Firstly, his works are held to be among the best examples of the fusion of European techniques with a purely Indian sensibility. While continuing the tradition and aesthetics of Indian art, his paintings employed the latest European academic art techniques of the day. (wikipedia entry)
A crater is a circular depression likely created by an impact event. On Mercury they are named after deceased artists, musicians, painters, and authors who have made outstanding or fundamental contributions to their field and have been recognized as art historically significant figures for more than 50 years.
Image Source. Marker locations are approximate and may not always appear to align with image on map.