The ceremonial breaking of the ground for the HdA building. Left to right: Prof Kurt Roth (Vice Rector, Heidelberg University), Manfred Bernhardt (Architects Bernhardt + Partner, Darmstadt), Beate Spiegel (Klaus Tschira Foundation), Prof Thomas Henning (Managing director, Max Planck Institute for Astronomy), Prof Herbert Jäckle (Vice President, Max Planck Society), and Dr Eckart Würzner (Lord Mayor, City of Heidelberg).