Steven Weinberg is a member of the Physics and Astronomy Departments. His research on elementary particles and cosmology has been honored with numerous prizes and awards, including in 1979 the Nobel Prize in Physics and in 1991 the National Medal of Science. In 2004 he received the Benjamin Franklin Medal of the American Philosophical Society, with a citation that said he is "considered by many to be the preeminent theoretical physicist alive in the world today." He has been elected to the National Academy of Sciences and Britain's Royal Society, as well as to the American Philosophical Society and the American Academy of Arts and Sciences. He is the author of over 300 articles on elementary particle physics. His books include Gravitation and Cosmology -- Principles and Applications of the General Theory of Relativity(1972); The First Three Minutes (1977); and The Discovery of Subatomic Particles (1983, 2003). Most recently he published Glory and Terror -- The Growing Nuclear Danger (2004).

He has served as consultant at the U. S. Arms Control and Disarmament Agency, President of the Philosophical Society of Texas, and member of the Board of Editors of Daedalus,/u> magazine, the Council of Scholars of the Library of Congress, the JASON group of defense consultants, and many other boards and committees. Educated at Cornell, Copenhagen, and Princeton, he also holds honorary doctoral degrees from sixteen other universities, including Chicago, Columbia, McGill, Padua, Salamanca, and Yale. He taught at Columbia, Berkeley, M.I.T., and Harvard, where he was Higgins Professor of Physics, before coming to Texas in 1982.