Studies in the history of art, ancient history, comparative history of religions, 1991 doctoral theses: Rheinische-Friedrich-Wilhelms-University, Bonn; since 1994 university teaching positions, fellow CASVA; independant scholar, author, editor and publisher (s.bibliography); exhibitioin curator with research focus on 19th, 20th and 21st century art, architecture and industrial culture (especially glass and crystal); cooperation with artists, architects, restorers, designers; specialized among other subjects on the history of picture and frame (documentation, aesthetics); reform movements 19th and 20th century; German Expressionism; communication processes, European culture after 1945; work cycles: see "projects" on this website; founder of the cultural network "regiofactum" in the context of the European Capital of Culture 2007 (among other projects two bilingual reference books); Since 2013 chercheur associé, Laboratoire d'histoire d'architecture contemporaine, École Nationale Supérieure d'architecture Nancy.