ALMAS-1, GSI-Darmstadt, October 2006 Masses of atomic nuclei far from stability J. Barea, A. Frank, J. Hirsch, J.C. López-Vieyra, V. Velázquez, I. Morales, UNAM, Mexico A.E.L. Dieperink, KVI, The Netherlands P. Van Isacker, GANIL, France Introduction: Models for nuclear masses. Symmetry energy in nuclear matter. Chaotic mass component? Mass predictions from pattern recognition.