Upon graduation, Einstein could not find a teaching job, because his brashness as a young man had apparently irritated most his professors. Father of a classmate helped him obtain a job as a technical assistant examiner at the Swiss Patent Office Dalah 1902. In there, Einstein judged the worth of inventors' patent applications for devices that require physical knowledge. He also learned to recognize the importance of application compared with a poor explanation, and learn from the director how "to be true". He occasionally rectified their design errors while evaluating the practicality of their work.
Einstein married Mileva on January 6, 1903. Einstein's marriage with Mileva, a mathematician, is a personal companion and intelligence;
On May 14, 1904, the couple's first child, Hans Albert Einstein, was born. In 1904, Einstein's position at the Swiss Patent Office was made permanent. He earned his doctorate after submitting his thesis "Eine neue Bestimmung der Moleküldimensionen" ("On a new determination of molecular dimensions") in 1905 from the University of Zürich.
In the same year he wrote four articles that provide the foundation of modern physics, without much scientific literature or can he point to many colleagues in science that he can discuss about his theory. Most physicists agree that three papers (on Brownian motion), the photoelectric effect and special relativity) deserved Nobel Prizes. Only the paper on the photoelectric effect would win one. This is ironic, not only because Einstein is far better known for relativity, but also because the photoelectric effect is a quantum phenomenon, and Einstein became free from the way in quantum theory. What makes these papers remarkable is that, in each case, Einstein boldly took an idea from theoretical physics to its logical consequences and managed to explain experimental results that had baffled scientists for decades.
He submitted a thesis-thesis to the "Annalen der Physik". They are usually addressed to "Annus Mirabilis Papers" (from Latin: In excellent). Union of Pure and Applied Physics (IUPAP) plans to celebrate 100 years of the publication of Einstein's work in 1905 as the Year of Physics 2005.
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