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,
Murder of the family of Robert Einstein early 2010s in both Germany and Italy to identify them. The events were also the subject of a German documentary featuring Einstein's nieces who witnessed the events in 1944. Robert Einstein was born in 1884 in Munich, the son of Jakob Abraham Einstein. Robert was a cousin of Nobel Prize Laureate Albert Einstein, as Hermann Einstein, Albert's father, was an older brother and business partner of Jakob Einstein, who persuaded his older brother to move their families and factory to Pavia, Italy. In 1944, Robert Einstein, who had lived in Italy for many decades, resided with his family in Rignano