Prof. Dr. Valdir Barbosa Bezerra holds a degree in Physics from the Federal University of Paraíba (1975), a Master's degree in Physics from the Federal University of Paraíba (1978), and a Ph.D. in Physics from the Brazilian Center for Physics Research (1983). He is currently a Full Professor at the Federal University of Paraíba. He has experience in the area of Physics, with an emphasis on Quantum Field Theory, Relativity, and Gravitation, working mainly on the following topics: Modified Theories of Gravitation, the Gravitational Casimir effect, the Physics of Black Holes, Quantum Systems in Curved Space–Time, etc.