Albert Einstein, 1879-1955, is known widely for his formulation of the relativity theory. Einstein, while in his childhood, lived in Munich and Milan. He continued his studies at the cantonal school at Aarau, Switzerland, and graduated in 1900 form the Federal Institute of Technology in Zurich. Later he became a Swiss citizen. He was an examiner at a patent office in 1902-1909. While working as an examiner he obtained his doctorate at the University of Zurich …showed first 75 words of 431 total…

…showed last 75 words of 431 total…in the development of quantum theory, Einstein regarded it as only a temporarily useful structure. He reserved his main efforts for his unified field theory, feeling that when it was completed the quantization of energy and charge would be found to be a consequence of it. Einstein wished his theories to have that simplicity and beauty which he thought fitting for an interpretation of the universe and which he did not find in quantum theory.