- Georgi Nadjakov
Georgi Nadjakov (
December 26 ,1896 -February 24 ,1981 ) was a famousBulgaria nphysicist . He became a member of theUSSR Academy of Sciences in 1958. Nadjakov worked with Paul Langevin and Marie Curie. In 1937 he performed experiments on thephotoelectric effect , which led to the invention of thephotocopier byChester Carlson .External links
* [http://www.issp.bas.bg/lab/ephi/Museum/acad_GNadjakov/GN11-page1.html "Academician George Stefanov Nadjakov"] , on the site of the
Institute of Solid State Physics (Bulgaria) of theBulgarian Academy of Sciences
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