Mikhail Katsnelson is a Professor and head of the Theory of Condensed Matter group at the Institute for Molecules and Materials, Radboud University, in The Netherlands. His fields of expertise are magnetism, electronic structure and quantum many-body theory and after the discovery of graphene, he became one of the leaders in this new field. Professor Katsnelson is the author of several books including Quantum Solid State Physics (with S. V. Vonsovsky, Springer, 1989) and has been awarded a Russian State Prize for young researchers. He has also been honoured with royal decoration as a Knight of the Order of the Dutch Lion.