passage: Einstein and Maric married in January 1903 .
  In May 1904 , the couple 's first son , Hans Albert Einstein , was born in Bern , Switzerland .
  Their second son , Eduard , was born in Zurich in July 1910 .
  In 1914 , the couple separated ; Einstein moved to Berlin and his wife remained in Zurich with their sons .
  They divorced on 14 February 1919 , having lived apart for five years .
  Eduard , whom his father called " Tete " ( for petit ) , had a breakdown at about age 20 and was diagnosed with schizophrenia .
  His mother cared for him and he was also committed to asylums for several periods , including full - time after her death .
  The marriage with Maric does not seem to have been very happy .
  In letters revealed in 2015 , Einstein wrote to his early love , Marie Winteler , about his marriage and his still strong feelings for Marie .
  In 1910 he wrote to her that " I think of you in heartfelt love every spare minute and am so unhappy as only a man can be " while his wife was pregnant with their second child .
  Einstein spoke about a " misguided love " and a " missed life " regarding his love for Marie .
  Einstein married Elsa Lowenthal on 2 June 1919 , after having had a relationship with her since 1912 .
  She was a first cousin maternally and a second cousin paternally .
  In 1933 , they emigrated to the United States .
  In 1935 , Elsa Einstein was diagnosed with heart and kidney problems ; she died in December 1936 .
query_and_answer: Who did n't stay in Zurich after Albert and Maric separated ? || Lady Lowenthal
evidences: In May 1904 , the couple 's first son , Hans Albert Einstein , was born in Bern , Switzerland . Their second son , Eduard , was born in Zurich in July 1910 . In 1914 , the couple separated ; Einstein moved to Berlin and his wife remained in Zurich with their sons .