# Zbigniew Piotr Szadkowski

Zbigniew Szadkowski obtained his Ph.D. in Theoretical Physics from the University of Lodz, Poland, in 1987 with his thesis, "Quark mixing in the SU(4) x SU(4) and SU(6) x SU(6) chiral symmetries". In 2007, he obtained a DSci in Experimental Physics based on the thesis, "Triggers in the Pierre Auger Observatory". Since 1998, Dr. Szadkowski has been working in the Pierre Auger Observatory, Argentina designing the 2nd-level trigger implemented in all 24 fluorescence telescopes, the 1st-level trigger implemented in all 1680 surface detectors, the Front-End Boards with ACEX (800 pieces) and Cyclone (900 pieces) FPGAs, and many algorithms for triggers. He worked at the Michigan Technological University, USA from 1999 to 2002, the College de France, Paris from 2002 to 2003, and the Bergische University of Wuppertal, Germany from 2003 to 2006.