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Charles Thorn
Charles Thorn is a Professor of Physics at University of Florida in Gainesville, Florida.〔(Charles Thorn at University of Florida )〕 He played an important role in the development of Dual Models and string theory.〔(Goddard P. From dual models to string theory, ''The Birth of String Theory'' (18–19 May 2007) ) (accessed 16 April 2008)〕 Among his contributions is the proof of the non-existence of ghosts in string theory. The Goddard–Thorn theorem is a mathematical theorem about certain vector spaces in string theory. Thorn developed it with Peter Goddard.
Charles Thorn also has developed an approach to string theory based on the idea of string bits.〔Strings Branes and Gravity. Jeff Harvey, Shamit Kachru, Eva Silverstein. World Scientific TASI 1999〕〔Reformulating String Theory with the 1/N expansion. http://xxx.lanl.gov/abs/hep-th/9405069v1〕 This idea led him to the conclusion that in this formalism one of the dimensions of spacetime appears to be dynamic. The fundamental degrees of freedom propagated on a surface in one lower dimension thus giving a holographic theory.
== Academic career ==
Thorn obtained his undergraduate degree in Physics at Massachusetts Institute of Technology (MIT) and completed his Ph.D in Physics from University of California, Berkeley in 1971 under the supervision of Stanley Mandelstam. He has held postdoctoral positions at MIT and CERN. He is fond of tango dancing.
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