Andrew W. Beckwith is visiting research professor in School of Physics at Chongqing University, China. In Sep 1997–Jul 2003, he is an Research Assistant in Department of Physics at University of Houston, USA. He has published more than 232 papers in reputed journals. He is expertise in Cosmology, General Physics, Quantum Physics, Quantum Mechanics, Theoretical Physics, General Relativity, String Theory, Classical Mechanics, Special and General Relativity, Gravitational Physics, Foundations of Quantum Mechanics, Gravity Quantum Cosmology, Particle Physics, Astrophysics, Space Sciences, Dark Matter, Gravitation, Quantum Field Theory, High Energy Physics