Godfrey Guillaumin is a professor-researcher in the Department of Philosophy at the Universidad Autónoma Metropolitana-Iztapalapa. He is a member of the National System of Researchers, level 2. He did a postdoctoral fellowship at the Center for Philosophy of Science at the University of Pittsburgh. His area of specialization is the History and Philosophy of Science, specifically he has investigated the history and epistemology of the development of modern scientific measurement practices, from a classical pragmatist approach. In addition, he has focused on the development of scientific measurement practices as empirical research practices. The last books of him are Genesis of the celestial measurement. A Cognitive History of the Growth of Scientific Measurement (2016) and The Quiet Revolution. Expansion, rearrangement and integration of scientific experience (in press).