Viking Eggeling was an avant-garde artist and filmmaker connected to Dada, Constructivism and Abstract art and was one of the pioneers in absolute film and visual music. His 1924 film Symphonie diagonale [Diagonal Symphony] is one of the seminal abstract films in the history of experimental cinema.
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While working on Symphonie diagonale [...] Eggeling was evolving a theory based on his film experiments and his studies of form and colour. He called his theory Eidodynamik [visual dynamics] [...]. Little is known about it, but the fundamental principle was the projection of coloured lights against the sky [...].
https://monoskop.org/Viking_Eggeling (18.01.2021)
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