Raja Ram Mohan Roy
![Roy in London (1833), half portrait by [[Rembrandt Peale]]](https://upload.wikimedia.org/wikipedia/commons/6/6e/Portrait_of_Raja_Ram_Mohun_Roy%2C_1833.jpg)
His influence was apparent in the fields of politics, public administration, education and religion. He was known for his efforts to abolish the practices of sati and child marriage. Roy wrote ''Gaudiya Vyakaran'' which was the first complete Bangla grammar written book. Provided by Wikipedia