is a research fellow and lecturer at Johannes Gutenberg University of
Mainz and a Volkswagen Foundation Fellow at the Getty Research Institute
in Los Angeles. His recent book on repetition and experiment in the
work of Edgar Degas is based on his PhD thesis, submitted to the Free
University of Berlin. In his postdoctoral research project, he addresses
issues of materiality and referentiality in conceptual art of the 1960s
and ’70s.