Huygens investigators
Guy M Israel
![](/var/esa/storage/images/esa_multimedia/images/2004/05/guy_israel/9688921-3-eng-GB/Guy_Israel_article.jpg)
Guy Israel, from the Service d'Aéronomie, Centre National de la Recherche Scientifique (SA/CNRS) at Verrieres-le-Buisson, France, is the Principal Investigator for the Aerosol Collector and Pyrolyser (ACP).
Martin G Tomasko
![](/var/esa/storage/images/esa_multimedia/images/2004/05/martin_tomasko/9690986-3-eng-GB/Martin_Tomasko_article.jpg)
Martin Tomasko, from the University of Arizona, Tucson, USA, is the Principal Investigator for the Descent Imager and Spectral Radiometer (DISR).
Michael K Bird
![](/var/esa/storage/images/esa_multimedia/images/2004/05/mike_bird/10316765-2-eng-GB/Mike_Bird_article.jpg)
Mike Bird, from the University of Bonn, Germany, is the Principal Investigator for the Doppler Wind Experiment (DWE).
Hasso B Niemann
![](/var/esa/storage/images/esa_multimedia/images/2004/11/hasso_niemann/9742667-3-eng-GB/Hasso_Niemann_article.jpg)
Hasso Niemann, from NASA's Goddard Spaceflight Center, Greenbelt, Maryland, USA, is the Principal Investigator for the Gas Chromatograph Mass Spectrometer (GCMS).
Marcello Fulchignoni
![](/var/esa/storage/images/esa_multimedia/images/2004/06/marcello_fulchignoni/9942191-2-eng-GB/Marcello_Fulchignoni_article.jpg)
Marcello Fulchignoni, from the University of Paris/Observatoire de Paris-Meudon, is the Principal Investigator for the Huygens Atmospheric Structure Instrument (HASI).
John C Zarnecki
![](/var/esa/storage/images/esa_multimedia/images/2004/05/john_zarnecki/10010239-2-eng-GB/John_Zarnecki_article.jpg)
John Zarnecki is from the Open University at Milton Keynes, UK, and is the Principal Investigator for the Surface Science Package (SSP).
Interdisciplinary scientists
![Daniel Gautier](/var/esa/storage/images/esa_multimedia/images/2004/05/daniel_gautier/9884924-3-eng-GB/Daniel_Gautier_article.jpg)
Daniel Gautier
Daniel Gautier, specialising in Titan aeronomy, is from the Observatoire de Paris, Meudon, France.
Jonathan I Lunine
![Jonathan Lunine](/var/esa/storage/images/esa_multimedia/images/2004/05/jonathan_lunine2/10082799-2-eng-GB/Jonathan_Lunine_article.jpg)
Jonathan Lunine, specialising in Titan atmosphere and surface interactions, is from the University of Arizona, Tucson, USA.
Francois Raulin
![François Raulin](/var/esa/storage/images/esa_multimedia/images/2004/05/francois_raulin/9985840-2-eng-GB/Francois_Raulin_article.jpg)
Francois Raulin, specialising in Titan chemistry and exobiology, is from the Laboratoire de Physique et Chimie de l'Environnement, University of Paris 12, Creteil, France.