"The positive energy of the inventor artist and Leonardo da Vinci of contemporary art, Dieter Liedtke, can be experienced by every visitor to the exhibition through the works. His works, theories and concepts are revolutionary, contagious and point the way to art as well as the sciences.
new ways to a humane society." 

Prof. Dr Harald Szeemann
Art historian and director of Documenta (1972)
Bienale de Lyon (1997), Bienale di Venezia (1999 and 2001)
Advisor of the art exhibition art open 

"We have studied the concept of the art formula in depth and found that Liedtke's art formula also applies to music and its history. Only when everyone applies and deepens their creative possibilities will we solve the problems of the future." 

Prof. Dr. Franz Müller-Heuser
Director of the Cologne University of  MusicMember of the UNESCO Music Committee President of the German Music CouncilAdvisor of the art open art exhibition   

"I hope that your pioneering approach will contribute to a wider, immediate acquaintance of many people with art. I think it is a particularly important and noble task in our time." 

Mikhail Gorbachev
Nobel Peace Prize Laureate
Patron of the Código Universo art open art exhibition