Rabindranath Tagore was the first person from Asia to win a Nobel Prize (for Literature). He wrote essays, poetry, books, plays, and songs. In fact, he wrote India's national anthem.
He was an activist who worked along side Mahatma Ghandi, endeavoring to free India from British Imperialism.
He turned down an offer of knighthood from England. His refusal was an act of protest against the Jallianwalla Bagh Massacre. (You can get a sobering glimpse of this atrocity depicted in this scene from Richard Attenborough's film Gandhi.)
Here's a photo that immortalizes the meeting of two great minds:
Check out this cool link that presents a transcript of the conversation between Tagore and Einstein.
Also... Rabindranath Tagore --as if he wasn't accomplished enough -- was an accomplished painter...