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Albert Einstein was a Jewish scientist, who spent his childhood in Germany and later moved to Italy. In 1900, he obtained his college degree in Switzerland. In 1902, he began to work for the Swiss Patent Office, where he energetically conducted scientific research in his spare time. In June of 1905, Einstein figured out that the speed of light remained constant in all frames of reference, precisely defined “relative time” and solved the contradictions between Newton’s law of gravitation and electromagnetism. Three months later, he went on to determine the connection between energy and mass, which is expressed in the equation E=mc². Einstein’s special theory of relativity states that time and space are not absolute, so that the time on a clock at rest and a clock in motion have different speeds. Likewise, the length of a ruler at rest and the length of a ruler in motion are different too. In 1921, Einstein received the Nobel Prize for his 1905 thesis on photoelectric effect. Our lives have been deeply influenced by his theory of relativity, which paved the way for the atomic bomb, nuclear power and the medical application of isotopes. Most important of all it has caused people to look at the entire cosmos in a whole new light.

The year 2005 marks the 100th Anniversary of the publishing of theory of relativity, and Chunghwa Post is issuing a stamp in commemoration. The stamp will be released on July 1, 2005, with a denomination of NT$15. The stamp features a head of Einstein in sharp contrast, which conveys his greatness. The upper part of the background is a colorful representation of time as the fourth dimension to echo his theories of time and space. The gradually fading blue and green convey the laws of nature. A sphere of red light symbolizes Einstein’s contribution, like a sun pushing forward human civilization. The lower part of the stamp features his name “EINSTEIN”, which is combined with the symbols for a photon and the science of electricity. The color blue represents technology, and “E=mc²”—the widely known formula of Einstein’s special theory of relativity—is cleverly included within the “E”.