Ulf-G Meißner is Professor in Theoretical Physics at Bonn University, Germany and Director at the Institute for Advanced Simulation, Forschungszentrum Jülich, Germany. His research focuses on strong interaction physics, especially nuclear and particle physics. He was awarded the Lise-Meitner prize of the European Physical Society and the Distinguished Scientist Award of the Chinese Academy of Sciences. Akaki Rusetsky works at the Helmholtz Institute for Radiation and Nuclear Physics at Bonn University, Germany. His research focuses on strong interaction physics, effective field theories and lattice field theories. He received the Visiting Scientist award under the Chinese Academy of Sciences President's International Fellowship Initiative.