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Andre Koch Torres Assis is a Professor of physics at the State University of Campinas, in Brazil, working with gravitation (Relational Mechanics, Mach\'s principle and the origin of inertia, absorption of gravity), electromagnetism (Weber\'s electrodynamics, Ampere\'s force between current elements, electric field outside resistive wires carrying steady currents, propagation of electromagnetic signals), cosmology (Hubble\'s law of redshifts, cosmic background radiation, tired light, infinite universe in space and time) and history of science.

Andre Koch Torres Assis was born in Brazil (1962) and educated at the University of Campinas - UNICAMP, BS (1983), PhD (1987). He spent the academic year of 1988 in England with a post-doctoral position at the Culham Laboratory (United Kingdom Atomic Energy Authority). He spent one year in 1991-92 as a Visiting Scholar at the Center for Electromagnetics Research of Northeastern University (Boston, USA). From August 2001 to November 2002, and from February to May 2009, he worked at the Institute for the History of Natural Sciences, Hamburg University (Hamburg, Germany) with research fellowships awarded by the Alexander von Humboldt Foundation of Germany. He is the author of Weber\'s Electrodynamics (1994), Relational Mechanics (1999), Inductance and Force Calculations in Electrical Circuits (with M. A. Bueno, 2001), The Electric Force of a Current (with J. A. Hernandes, 2007), Archimedes, the Center of Gravity, and the First Law of Mechanics (2008), The Experimental and Historical Foundations of Electricity (2010), and Weber\'s Planetary Model of the Atom (with K. H. Widerkehr and G. Wolfschmidt, 2011). He has been professor of physics at UNICAMP since 1989, working on the foundations of electromagnetism, gravitation, and cosmology.