Albert Einstein and Arthur Eddington, two scientists of different nationalities, worked separately but for the sake of truth amidst struggle for claiming the superiority among the nations in the first World War. Two nations, Britain and Germany, were treating each-other like sworn enemies, fighting war without having any cause whatsoever to further the interest of humanity, and in that mad struggle, most of the scientists of both the nations were collaborating in developing the weapons of mass destruction as well as genocide. In that very critical condition, duo worked out diligently and proved sir Isaac Newton's theory of Gravity wrong. Einstein's General theory of relativity was theoretically a masterpiece, though logically correct and imaginatively wonderful, but without proof, no one was ready to accept it, especially, when science was also being visualized as per the national boundaries. In such a testing time, Arthur Eddington, from Cambridge University, went to Africa to...