Salvatore Capozziello is Full Professor in Astronomy and Astrophysics in the Department of Physics at the University of Naples Federico II, Naples, Italy, where he teaches Cosmology and Physics. He is current President of the Italian Society of General Relativity and Gravitational Physics (SIGRAV). He is also Honorary Professor at Tomsk State Pedagogical University (Russia) and Professor of General Relativity at the Gran Sasso Science Institute for Advanced Studies, L'Aquila, Italy. Dr. Capozziello’s research activity has focused on research topics in Cosmology, Relativistic Astrophysics, and the Physics of Gravitation in their theoretical and phenomenological aspects. The results of this research are published in more than 350 papers in international journals. Dr. Capozziello is Managing Editor of the  International Journal of Geometric Methods in Modern Physics (World Scientific). He has also served on the editorial boards of various other leading journals, including The European Physical Journal C, the Journal of Modern Physics, the Journal of Physics and Astronomy, and the International Journal of General Relativity and Gravitation. Mariafelicia De Laurentis is Associate Professor at Tomsk State Pedagogical University, (Russia). Actually she is visiting Professor at Institute for Theoretical Physics, Goethe University of Frankfurt, (Germany) involved in BlackHoleCam project (https://blackholecam.org).  Dr. De Laurentis has a wide range of research interests in Physics, Cosmology, Relativistic Astrophysics, General Relativity and Alternative Theories of Gravity, and is the lead or co-author of more than 150 scientific publications. In 2008 she got the "Quality Award" at the Polytechnic of Turin for the best PhD thesis and publications. In 2012 she was awarded the SIGRAV (Italian Society of Gravitational Physics) Prize for contributions to General Relativity and Gravitational Physics. Finally in 2016, she got TUSUR Prize, for recognition of invaluablecontribution to Tomsk State University of Control Systems and Radio-electronics.