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X-ray Workshop Speakers



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Volker Rose, Physicist, Argonne National Lab

X-rays Paint a Picture of Picasso’s Pigments

Dr. Volker Rose is a Physicist at Argonne National Laboratory. He holds an advanced degree in physics and a doctoral degree from RWTH Aachen, Germany. His research focuses on the study of nanoscale materials by means of high-resolution x-ray microscopy techniques. Dr. Rose’s research achievements include a DOE Early Career Research Program Award in 2012, a prestigious R&D 100 Award in 2009, as well as an International Exchange Program Award, sponsored by U.S. Department of Energy and American Nuclear Society in 2004.


Jennifer Mass, Senior Scientist, Winterthur Museum of Art

New Synchrotron-based Approaches for Probing the Alteration of Arsenic Sulfide and Cadmium Sulfide Based Artists’ Pigments

Dr. Mass received her Ph.D. in inorganic chemistry from Cornell University, did her postdoctoral fellowship at Metropolitan Museum of Art, and was an assistant professor in the art conservation department at SUNY College at Buffalo. She is currently the laboratory director and senior scientist at the Winterthur Museum’s Scientific Research and Analysis Laboratory. She is also a faculty member in the Winterthur/University of Delaware M.S. Program in Art Conservation. Jennifer conducts research on the alteration mechanisms of artists’ materials and on the development of nondestructive depth profiling techniques for studying paintings such as confocal x-ray fluorescence microscopy.


Phillipe Sciau, Researcher, CNRS

XANES Full-fired and Micro-XRD Study of Roman Ceramics: Estimating Firing Conditions

Dr. Philippe Sciau is a researcher at the French National Center for Scientific Research (CNRS) and the group leader for heritage materials at CEMES (Toulouse, France) from 2005. He received his PhD in 1987 followed by an HDR in 1996. His current research interests include the study of ancient materials combining TEM, µXRF and µXRD at appropriate scales in order to obtain very precise correlation between physical properties and elemental and mineralogical phase distributions.


Uwe Bergmann, Interim Director, Linac Coherent Light Source, SLAC

Ancient Writings Under X-ray Vision

Uwe Bergmann received the German ‘Diplom’ in Hamburg and Ph.D. in physics at Stony Brook University. Since 1990 he has been a user of synchrotron radiation and has worked at numerous synchrotron facilities around the world. Bergmann joined SLAC in March 2003, where his research interests focus on the development and application of novel synchrotron based x-ray techniques. In addition to his duties as the Interim-director of LCLS, Dr. Bergman has also pioneered applications for x-ray fluorescence imaging to: ancient parchment writings including the ‘The Archimedes Palimpsest’, medical studies of brain tissue, and fossils including the Archaeopteryx and Confuciusornis Sanctus.


Zhi Liu, Staff Scientist, Lawrence Berkeley National Lab

Study of Ancient Black-glazed Jian (Temmoku) Wares Using Synchrotron Radiation

Dr. Liu completed his PhD in Physics from Stanford University in 2004. He is currently a Staff Scientist at Lawrence Berkeley National Laboratories where he is developing synchrotron-based ambient pressure photoelectron spectroscopy. He is also interested in the materials of Chinese art and archaeology and has completed an internship in the scientific laboratories at the Museum of Modern Art in New York.


Joris Dik, Staff Scientist, Lawrence Berkeley National Lab

In situ Scanning Macro-XRF Investigation of Historical Paintings: Mobile Instruments vs. Synchrotrons

Joris Dik studied art history and classical archaeology at the University of Amsterdam, receiving his M.A. in 1997. He spent a year as a Getty Graduate Intern at the J. Paul Getty Museum in Los Angeles. After returning to the Netherlands he graduated with a PhD in chemistry, focusing on historical pigment technology. In 2010 Joris Dik was appointed Antoni van Leeuwenhoek professor at Delft University of Technology. His group specializes on the materials science of art and archaeological objects. He is a member of the Young Academy of the Royal Netherlands Academy of Arts and Sciences.



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