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A simple emigrant - immigrant:  Albert Einstein
Belonging to a Jewish family, born in Ulm, Germany, Friday 14 March 1879 (137 years ago) and died in Princeton Monday 18 April 1955 (60 years ago) , naturalized Swiss and US.

 Since small showed a reserved character and, because of dyslexia, learned to speak very late.
The love he felt for science made him impatient at the rigid scholastic rules, with the inevitable consequences on its performance as a student in Munich [...] For strokes of luck of the family emigrated  to Milano [...] Then, went for a year to undertake studies of repair at the Gymnasium in Aarau [...] after  he entered at the Polytechnic  of Zurich, and, graduated, in 1900 he began to work at the Patent Office in Bern, dedicating however much time to the study of physics, whose fruits gathered into three memories published in 1905.
 One of these memories  expounded the principles of the theory of Special Relativity , first act toward the general theory of relativity that later revolutionized the classical physics, reprocessing the Newtonian know.
In 1911 moved to Praga and 1914 was appointed director of the Institute of Physics of ,University of Berlin  where he remained until 1933.
 In 1916 publishes "The foundations of the theory of General Relativity".
In the 1921 obtained Nobel Prize in Physics for his work of 1905   on the explanation  photoelectric effect "for contributions to theoretical physics, in particular for the discovery of the law of the photoelectric effect".
In January 1933, when Adolf Hitler he ascended to power, Einstein was momentarily to university of Princeton  New Jersey, U.S.   as guest professor .
 On 7 April of the same year was promulgated the "law of the restoration of civil service", due to which all university professors of origin ebraica were dismissed so in October 1933, decided to move permanently in Stati Uniti as immigrant .

On 9 July 1955,from here he   fought with passion against the danger of a nuclear war, presenting in London, along with the philosopher Bertrand Russell, a manifesto in favor of nuclear disarmament and the pacifist choice for humanity.