In this centennial year of Albert Einstein's birth, physicists are inspired more than ever and most enthusiastic to talk about the scientific works and human side of the greatest scientist of 'all time. Only until two decades ago, the General Theory of Relativity was not included in most university graduate programs - it remained as a separate discipline in physics, to be studied sometime in the future if time could be alloted for it. Albert Einstein regarded general relativity as his greatest achievement in physics compared to all other epoch-making contributions he made, including the dis...