Sergei Kopeikin is a USSR-born theoretical physicist presently living and working in the United States, where he holds the position of Associate Professor of Physics at the University of Missouri–Columbia (UMC). He specializes in the theoretical and experimental study of gravity and general relativity. He is also an expert in the field of the astronomical references frames and time metrology. Wikipedia
The definitive Wikipedia entry for Sergei Kopeikin. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Sergei_Kopeikin
