This text is the draft of Julius Wess' contribution to the Proceedings of
SUSY07 (KIT Karlsruhe) and to "Supersymmetry at the dawn of the LHC" in Eur.
Phys. J. C59/2. The manuscript, which Wess could not finish before his death,
has been edited for the publication.Comment: Feb.2009 - Contribution edited for the Proceedings SUSY07 (KIT
Karlsruhe) and "Supersymmetry at the dawn of the LHC" in Eur. Phys. J. C59/