It is said that at a dinner in London, a British citizen remarked that Indians are black-skinned. Hearing this, famous indian philosopher replied slowly - God once cooked a piece of bread, which is overcooked, it is called Negro. After that God cooked a bread again, this time some half cooked, they are called Europeans. After that, God cooked the bread that was cooked properly for the right time and called the Indian.The philosopher was: