Monument to Wilhelm Dantine in the Arkadenhof (arcaded court yard) of the University of Vienna, sculptured by Josef Zenzmaier, unveiled 2001
Monument to Karl Popper in the Arkadenhof (arcaded court yard) of the University of Vienna, sculptured by Christine Pillhofer, unveiled 2002
Walter Rudin with his wife Mary Ellen and Friedrich Haslinger on the occasion of the awarding of an honorary doctorate, September 2006
