Hans Albert Einstein as slide shows. He also loved music, as denoted on his gravestone, and he played flute and piano. Hans Albert Einstein died due to heart failure on July 26, 1973 (aged 69) in Woods Hole, Massachusetts, US. Hans Albert Einstein Hans Albert Einstein ( ; May 14, 1904 – July 26, 1973) was a Swiss-American engineer and educator, the second child and first son of Albert Einstein and Mileva Marić. Hans A. Einstein was a professor of Hydraulic Engineering at the University of California, Berkeley, and was recognized for his research on sediment transport. His papers are held at the
Albert Einstein Archives was a member of the university's first board of governors. In 1925, the original 46-page manuscript of the general theory of relativity ended up at the Hebrew University of Jerusalem. Einstein did not save all of his written material, but from 1919, as his fame increased, he employed his stepdaughter Ilse as a secretarial assistant. Helen Dukas (1896–1982) began working for Einstein with increased systematization from April 1928, although not all outgoing correspondence was saved. After the Nazis' rise to power in 1933, Einstein's son-in-law Rudolf Kayser, aided by the French Embassy, rescued Einstein's papers in Berlin. Some of the