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John Bardeen ( May 23, 1908January 30, 1991) was an American physicist. He is the only person to have won two Nobel prizes in Physics, in 1956 for the transistor, along with William Bradford Shockley and Walter Brattain, and in 1972 for a fundamental theory of conventional superconductivity together with Leon Neil Cooper and John Robert Schrieffer, now called BCS theory.

1 Early Life And Education

He was born in Madison, Wisconsin to Charles and Althea Bardeen. Charles was a professor of anatomy at the University of Wisconsin, Madison and helped start its medical school. Althea, before marrying, had taught at the Dewey Laboratory School and ran an interior decorating business; after marriage she was an active figure in the art world.

Bardeen's talent for mathematics was recognized early. His seventh grade mathematics teacher encouraged Bardeen in pursuing advanced work, and years later, Bardeen credit him for "first exciting [his] interest in mathematics."

Bardeen graduated high school at age fifteen, even though he could have graduated several years earlier. This was due to taking additional courses at another high school, and also partly because of his mother's death. He entered the University of WisconsinThe University of Wisconsin System is the state university system in Wisconsin. It is made up of two doctoral-granting universities ( UW-Madison and UW-Milwaukee), eleven baccalaureate-granting universities ( UW-Eau Claire, UW-Green Bay, UW-La Crosse, UW- in 1923.

While in university he joined the Zeta PsiThe Zeta;Ψ (Zeta Psi Fraternity of North America was founded in 1847 as a social college fraternity. The organization now comprises about fifty active chapters and twenty-five inactive chapters, encompassing roughly twenty thousand brothers, and is ac fraternity. He raised the membership fees partly by playing billiardsThe term billiards refers to a group of games where balls are struck with a cue to score points, or knock balls into a pocket. The term is also commonly used to refer to a table with no pockets, where points are usually scored by making contact with certa; he eventually became a billiards champion.

Bardeen received his Bachelor's degreeA bachelor's degree is usually an undergraduate academic degree awarded for a course that generally lasts three or four years. Note that some postgraduate degrees are entitled Bachelor of. the University of Oxford Bachelor of Civil Law. Honours degrees In and Master's degreeA master's degree is an academic degree usually awarded for completion of a postgraduate course of one or two years in duration. In the UK it is sometimes awarded for an undergraduate course whose final year consists of higher-level courses and a major re in Electrical Engineering from the University of WisconsinThe University of Wisconsin System is the state university system in Wisconsin. It is made up of two doctoral-granting universities ( UW-Madison and UW-Milwaukee), eleven baccalaureate-granting universities ( UW-Eau Claire, UW-Green Bay, UW-La Crosse, UW- in 1928Centuries: 19th century 20th century 21st century Decades: 1870s 1880s 1890s 1900s 1910s 1920s 1930s 1940s 1950s 1960s 1970s Years: 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 See also 1928 in aviation 1928 in film 1928 in literature 1928 in mu. He had taken all the graduate courses in physics and mathematics that had interested him, and in fact, graduated in five years, one more than usual; this allowed him time to also complete a Master's thesis, supervised by Leo J. Peters . His mentors in mathematics were Warren WeaverWarren Weaver is an author of the well-known work on communication, The Mathematical Theory of Communication (together with Claude Shannon). While Shannon focussed more on the engineering aspects of the mathematical model, Weaver developed the philosophic and Edward Van Vleck . His main physics mentor was John Van Vleck, but he was also much influenced by visiting scholars such as Paul Dirac, Werner Heisenberg, and Arnold Sommerfeld.

Bardeen stayed on for some time at Wisconsin furthering his studies,but eventually went to work for three years at Gulf Research Laboratories , the research arm of Gulf Oil Company , based in Pittsburgh. After the work failed to keep his interest, he applied and was accepted to the graduate program in mathematics at Princeton University.

Bardeen studied both mathematics and physics as a graduate student, ending up writing his thesis for the mathematics Ph.D. on a problem in solid-state physics, under Nobel Laureate Eugene Wigner. He received his Ph.D. from Princeton in 1936. Due to his father's death in 1935, Bardeen was not able to finish his thesis before he went to Harvard University on a postdoctoral fellowship and had to finish during his first term there.

While at Princeton, he met Jane Maxwell while visiting his old friends in Pittsburgh. He would marry her before his time at Harvard had ended.





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