Born in Germany 1879 , Albert Einstein developed the theory of relativity one of two pillars of modern physics . He is considered one of the most influential physicists of twentieth century. Einstein had many discoveries but he is best kwon by his most famous formulas on masse- energy equivalence E=mc². He received the 1921 Nobel Prize for his contributions in theoretical physics and the evolution of Quantum theory .
Between 1895 and 1914, he lived in Switzerland (except for one year in Prague, 1911–12), where he received his academic diploma from the Swiss Federal Polytechnic in Zürich . he work a professor of theoretical between 1912 and 1914 .
In 1933 he visited USA where he had been a professor at the Berlin academy of sciences, He settled in the United States, becoming an American citizen in 1940
Albert Einstein died at the University Medical Center at Princeton early in the morning on April 18, 1955 at the age of 76.