2015 Michael J. Lieb
German
2014 Michael J. Lieb
German
2013 Michael J. Lieb + Uwe Peters
German
2013 Michael J. Lieb
German
2012 Volkmar Sering
German
2006 Joshua Beyer
2005 Christina Kinne
German
2004 Anna Christina Huijber
2003 Thomas Klees
German
2000 Miguel Alexandre
German
`99/2000 Sylvio Heufelder
English
MJL
English