Prof. Maria L. Calvo graduated in Physics in 1969 at the Complutense University of Madrid (UCM, Spain). After graduation she first visited Phillips (Eindhoven, Holland) and started working in quality control on glass fabrication (surface quality and stress analysis). Later, she became a fellow of the French National Centre for Scientific Research (CNRS) in Paris. At the Institute of Optics she continued to work on optical properties of glasses and amorphous materials under the direction of Prof. Lucien Prod'homme and Prof. Aniuta Winter-Klein (glass microhardness and experimental Rayleigh light scattering) and obtained a Doctorate Diploma from the University of Paris VI (France,1971). In 1972 she contacted Prof. Armando Durán, (known for his pioneering work on night myopia along with J. M. Otero in 1941-43) and who was currently a professor of Optics at UCM. She joined the Optics Department of UCM as an assistant professor and started theoretical studies on light scattering defects in isotropic media. She presented a Ph.D. dissertation (with honors) on this subject in June 1977. In 1981 she became an associate professor and in 1999 obtained the Chair of Optics at the same department. She was Head of the Department of Optics during the period (2006-2010). She is currently an Emeritus Professor at the Department of Optics, Faculty of Physics Sciences, Complutense University of Madrid where she continues with her labor on academic activities and research. She was President of the International Commission for Optics (term 2008-2011).