Boris D. Grozdanoff is a philosopher of science who works in the fields of scientific epistemology and metaphysics and holds doctoral degrees in Analytic Epistemology (from the Central European University) and Philosophy of Science (from the Bulgarian Academy of Science). He has served as a Visiting Fellow at the Pittsburgh Center for Philosophy of Science, and has specialized on the problem of scientific thought experiments at the University of Toronto. Dr Grozdanoff won the Marie Curie Fellowship of the European Commission in 2008, and worked in the Philosophy of Physics group at Oxford University until 2010. At present, he holds an Associate Professorship at the Bulgarian Academy of Science and teaches at the University of Sofia and the Technical University, Sofia. His first book was on thought experiments in science, and he has published articles in Principia, The Croatian Journal of Philosophy and The World of Physics. Currently, he works on the problems of space and time in physics, and is interested in the topics of symmetries, chirality and identity.