Albert Einstein acquired Swiss citizenship in 1901, which he kept for the rest of his life. In 1905, he was awarded a PhD by the University of Zurich. The same year, he published four groundbreaking papers during his renowned "annus mirabilis" (miracle year) which brought him to the notice of the academic world at the age of 26. Einstein taught theoretical physics at Zurich between 1912 and 1914 before he left for Berlin, where he was elected to the Prussian Academy of Sciences. In 1933, while Einstein was visiting the United States, Adolf Hitler came to power. Because of his Jewish background,
UNESCO Albert Einstein medal UNESCO Albert Einstein medal The UNESCO Albert Einstein Medal is awarded to outstanding scientific personalities who made a great contribution to science and international scientific cooperation. The medal was established by UNESCO to celebrate the centenary of the birth of Albert Einstein in 1979. The medal is awarded in gold, silver and bronze. The medal was designed by the French engraver Max Léognany. The medal's obverse features a portrait of Albert Einstein in his later years. On the reverse, a silhouette of Einstein’s head forms the backdrop for three of the mathematical equations that sum up his essential contributions to