Tobar mayo biography of albert einstein

Following his graduation from the Federal Polytechnical Institute ETH in Zurich in he obtained a job as a patent examiner, "technical expert, third class" in the Swiss patent office in Bern, starting in the summer of That was Einstein's "miracle year. Also in he developed the light quantum hypothesis to treat the photo-electric effect, a work important in the subsequent development of the quantum theory and the official basis of his award of the Nobel Prize.

There were also two papers on Brownian motion he produced that year, which helped demonstrate the reality of molecules. Einstein left the patent office in , moving to Berlin in to assume the directorship of the new Kaiser Wilhelm Institute for Physics. Einstein had been working on extensions of relativity since and in he published an account of what he called the "general theory" of relativity, which is essentially the modern theory of gravity.

It predicted the bending of light rays around the sun.

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When that was confirmed during the solar eclipse of , Einstein became a worldwide celebrity overnight, the first scientific superstar. Einstein's celebrity status made him a target of growing German antiSemitism. His own interest was growing in Zionist and pacifist causes. Following his own divorce in , he married Elsa, whose daughters also took the name Einstein.

In the period from to Einstein's scientific work continued to flourish. He began investigations into gravitational waves and cosmology, where he reluctantly introduced the cosmological constant, which he subsequently rejected, but which has come back to represent what now appears to be substantial density and pressure associated with empty space.

Einstein also worked on statistical aspects of the quantum theory , developing the coefficients of spontaneous and induced emission and absorption that provided the theoretical opening for laser technology. In the s Einstein traveled extensively in aid of science and of Zionism. His scientific contributions slowed down in this period, although he made some preliminary attempts at tying together the electromagnetic and gravitational fields geometrically in a unified field theory.