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Annus Mirabilis papers
The ''Annus mirabilis'' papers (from Latin ''annus mīrābilis'', "extraordinary year") are the papers of Albert Einstein published in the ''Annalen der Physik'' scientific journal in 1905. These four articles contributed substantially to the foundation of modern physics and changed views on space, time, mass, and energy. The ''annus mirabilis'' is often called the "miracle year" in English or ''Wunderjahr'' in German.
==Background==
At the time the papers were written, Einstein did not have easy access to a complete set of scientific reference materials, although he did regularly read and contribute reviews to ''Annalen der Physik''. Additionally, scientific colleagues available to discuss his theories were few. He worked as an examiner at the Patent Office in Bern, Switzerland, and he later said of a co-worker there, Michele Besso, that he "could not have found a better sounding board for his ideas in all of Europe". In addition, co-workers and the other members of the self-styled "Olympian Academy" (Maurice Solovine and Paul Habicht) and his wife, Mileva Marić had some influence on Einstein's work, but how much is unclear.〔The suggestion that Mileva actually co-authored some of Einstein's early papers was based largely on what is now generally agreed to have been a misunderstanding. In an obituary for Einstein in 1955, Abram Joffe wrote "In 1905, three articles appeared in the ''Annalen der Physik''... The author of these articles, an unknown person at the time, was a bureaucrat at the Patent Office in Bern, Einstein-Marity (Marity - the maiden name of his wife, which by Swiss custom is added to the husband's family name)." Thus Joffe did not claim co-authorship, he merely stated that the papers were by an unknown individual, and that Marity was the maiden name of the author's wife, appended to the author's name by Swiss custom. Joffe's comment was later mis-quoted in a way that suggested co-authorship of the husband and wife.〕〔"''Einstein's Wife : (The Mileva Question )''". Oregon Public Broadcasting, 2003.〕〔(Stachel, John, ''Einstein's Miraculous Year'' (1905), pp. liv-lxiii )〕〔Calaprice, Alice, "''The Einstein almanac''". Johns Hopkins University Press, Baltimore, Md. 2005.〕
Through these papers, Einstein tackles some of the era's most important physics questions and problems. In 1900, a lecture titled "Nineteenth-Century Clouds over the Dynamical Theory of Heat and Light",〔''The London, Edinburgh and Dublin Philosophical Magazine and Journal of Science'', Series 6, volume 2, page 1 (1901)〕 by Lord Kelvin, suggested that physics had no satisfactory explanations for the results of the Michelson-Morley experiment and for black body radiation. As introduced, special relativity provided an account for the results of the Michelson-Morley experiments. Einstein's theories for the photoelectric effect extended the quantum theory which Max Planck had developed in his successful explanation of black body radiation.
Despite the greater fame achieved by his other works, such as that on special relativity, it was his work on the photoelectric effect that won him his Nobel Prize in 1921: "For services to theoretical physics and especially for the discovery of the law of the photoelectric effect." The Nobel committee had waited patiently for experimental confirmation of special relativity; however none was forthcoming until the time dilation experiments of Ives and Stilwell (1938), (1941) and Rossi and Hall (1941).
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