- Robert Mills (physicist)
Infobox Scientist

name = Robert Mills

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caption = Robert Mills

birth_date =April 15 ,1927

birth_place = Englewood

death_date =October 27 ,1999

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field =physics

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known_for =quantum field theory

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**Robert L. Mills**(April 15 ,1927 -October 27 ,1999 ) was aphysicist , specializing inquantum field theory , the theory ofalloy s, andmany-body theory . While sharing an office atBrookhaven National Laboratory , in 1954,Chen Ning Yang and Mills proposed atensor equation for what are now calledYang-Mills field s. This equation reduces toMaxwell's Equations as a special case, seegauge theory :$partial\_\{mu\}F^\{mu\; u\}\; +\; 2\; epsilon\; (\; b\_mu\; imes\; F^\{mu\; u\}\; )\; =\; J^\; u$.Mills was born in Englewood,

New Jersey , and graduated from George School. He studied at Columbia College from 1944 to 1948, while on leave from the Coast Guard. Mills demonstrated his mathematical ability by winning theWilliam Lowell Putnam Mathematical Competition in 1948, and by receiving first-class honors in theTripos . He earned a master's degree from Cambridge, and a Ph.D. in Physics underNorman Kroll , fromColumbia University in 1955. After a year at theInstitute for Advanced Study in Princeton, New Jersey, Mills became Professor of Physics atOhio State University in 1956. He remained atOhio State University till his retirement in 1995.Mills and Yang shared the 1980 Rumford Premium Prize from the

American Academy of Arts and Sciences for their "development of a generalized gauge invariant field theory" in 1954.**Personal life**Robert Mills was married to Elise Ackley in 1948. Together they had sons Edward and Jonathan,and daughters Katherine, Susan, and Dorothy. The Mills family lived for many years in Columbus, OH during Mills' tenure as professor at Ohio State University. The family also spent considerable time during the summer and winter breaks in Echo Lake, VT. Robert opted to live out his final months at their residence in Echo Lake.

**Notes***Yang C. N. and Mills R. L. [

*http://link.aps.org/abstract/PR/v96/p191 Conservation of Isotopic Spin and Isotopic Gauge Invariance*] "Phys Rev "**96**(1954), p. 191.**References*** [

*http://www.physicstoday.org/vol-56/iss-10/p14.html*] Samuel L. Marateck, "Remembering Robert Mills," "Physics Today," October 2003.

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