A Texas-based theoretical physicist has been ranked ninth in the current publication of the Institute of Scientific Information's (ISI) list of most-cited physicists and third in his field of theoretical physics.

Dimitri Nanopoulos, a distinguished professor in Texas A&M University's Department of Physics and head of the Houston Advanced Research Center's (HARC) Group for Astroparticle Physics, was among those recognized by ISI for having his name cited by other scientists.

Nanopoulos' name appeared in peer-reviewed scientific journals more than 11,300 times during the period 1981 through June, 1997.

Nanopoulos is widely recognized for the development of grand unified theories, mathematical models that combine the physical forces that underlie the structure of the universe, in one set of equations, and the use of those theories in studying the origins and evolution of the universe.

Last spring, at age 48, Nanopoulos became the youngest person elected to permanent membership in the Academy of Athens, the most prestigious scientific organization in Greece. Nanopoulos is the author of more than 460 research articles, which have appeared in major scientific journals. His work has been cited more than 19,000 times by other scientists, and during the 1980s, he was one of the 100 most-cited researchers in all branches of science.

In addition to his work at Texas A&M and HARC, Nanopoulos also is on the research staff of CERN, the European Center for Physics Research in Geneva, Switzerland. He joined the Texas A&M physics faculty in1989, after a stint at the University of Wisconsin. He also has conducted research at Harvard University and the Ecole Normale Superieure in Paris. He is a graduate of the University of Athens and received a Ph.D. from the University of Sussex in England.

The Institute for Scientific Information (ISI) publishes databases of scholarly research information in the sciences, social sciences, and arts and humanities.

CONTACT: Barbara Peyton at (281) 363-7908 or by e-mail at

Gene Charleton at (409) 845-4644 or by e-mail at e-charleton@tamu.edu.

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