Mariafelicia De Laurentis is a researcher in the Naples section of the National Institute of Nuclear Physics (INFN) and Professor of Astronomy and Astrophysics at the "Federico II" University of Naples. She is among the protagonists of the research that led to the first image of a black hole, through the international projects Black Hole Cam (BHCam) and Event Horizon Telescope (EHT). She taught in Russia and Germany. Her scientific activity is centered on theories of gravitation in their theoretical and phenomenological aspects, to which she has devoted numerous articles for international journals. We report the following publications in English: Invariance Principles and Extended Gravity: Theory and Probes (with S. Capozziello, New York 2011) and General Relativity and Cosmology: A Primer (with S. Capozziello, Berlin-London 2018).