%0 Journal Article %T Tribute to Francisco (Paco) Yndurain %A Stephan Narison %J Physics %D 2009 %I arXiv %X This part of the talk aims to present briefly the biodata and the exceptional career of Paco Yndurain who left us suddenly in June 2008. The scientific part: Light Scalar Mesons in QCD is published in the proceedings of QCD 08 (Montpellier 7-12th july 2008: arXiv:0811.0563 [hep-ph]). %U http://arxiv.org/abs/0902.1322v2