During the 1960s, artist Eric Olson embarked on a series of works under the title Optochromi. The vast majority of these were plexiglass objects: most were sculptures although a few are formally closer to paintings. From a cinematic point of view one could describe the Optochromi sculptures as metaphysical colour animations frozen in time – so much so that modern composer Jan Wilhelm Morthenson made his film Interferences (1966), a... see more