Jan Jolie is Professor at the Institute of Nuclear Physics, University of Cologne. He performed several crucial experiments to test the applications of supersymmetry in atomic nuclei. For this work he was awarded the Leigh-Page Prize 2000 by Yale University.Alejandro Frank is a Fellow of the American Physical Society and has received several distinctions including a Guggenheim Fellowship. He was head of the Department of Structure of Matter in the Institute of Nuclear Sciences of the National Autonomous University of Mexico (UNAM). On March 3, 2016, he entered as a member of El Colegio Nacional, the highest academic institution in Mexico.Piet van Isacker is a member of the Mexican Academy of Science and has written two previous books on the application of symmetry methods to nuclear physics.