2012 Exhibition: "Galerie ZeitZone" in Berlin
2011 Guest in "Rainers Magazin" on "ALEX - Offener Kanal Berlin"
2010 Finishing of two ebooks
2009 Exhibition: "k-salon" in Berlin
2008 Animation of "The Voyage through the Universe"
2007 Opening an office in the creative industry
2006 Lecture in the "LaLuz" in Berlin
2003 Outdoor art performance on a billboard at the "Potsdamer Platz" in Berlin
2003 Building up a website (www.der-weltgeist.com)
1997 - 2002 Artistic design of a seven-level world view
1994 - 1997 Preparation of studies of economic change
1990 Research project of the possibility of the reduction of the hours worked
1982 Inspiration by a book about the vision of working 25 hours a week
1974 Sense of an indefinite discomfort with the economic structures