Albert Einstein, the eminent scientist was born in Ulm, Germany on March 14, 1879. He graduated from the renowned Polytechnic Academy in Zurich and became a citizen of Switzerland. In 1905, he obtained his Ph.D. for his thesis on his special Theory of Relativity. In 1909 he became a Professor of Physics at Prague University and worked there for two years. Thereafter he came back to work at the Polytechnic in Zurich.
After two years he moved to Berlin with his family and worked there as a member of Prussian Academy of Sciences. The General Theory of Relativity, his masterpiece, was completed in 1915 in the midst of the First World War. In 1921 he was awarded the Nobel Prize for Physics for his notable work. After ten years he went to Oxford as a visiting professor and two years later he renunciated the German citizenship and left the country in 1933. This world famous scientist passed away while he was in sleep at Princeton Hospital in 1955. His dealth is immense loss for the whole world.