Manfred Kielnhofer – The Guardians of Time December 30th, 2012 Sculpting Figurative sculptures, Human, Manfred Kielnhofer, The Guardians of Time, “The Guardians of Time” relates to the idea that since the beginning of time mankind has had protectors, both for historic and mystical reasons. It seems that only man himself is a potential source of danger for his own existence.