Art that contains real movement, driven by motors, air or the viewer. Naum Gabo, Alexander Calder and Jean Tinguely are key figures, and the 1955 Paris exhibition Le Mouvement gave it a name.
Many contemporary media artists are extending conversations that began with Op Art, Kinetic Art, conceptual systems-based practices and early video art.
Kathleen Forde, Thoma Foundation on Collecting, Curiosity and Conversation
And so also Frank Popper is one of the best art historians about electronic and digital art. He considered kinetic art to be one of the seven foundational touchstones for electronic art.
Peter Bauman, Georg Bak on the Analog Era: 1950s Art