3D cinema will be invented

Alexander Alexandrovich Bogdanov : politician, physician,  philosopher
"But they not only connected the cinema with a photography, as we begin to do on Earth - still very poorly - they used the idea of ​​a stereoscope and transformed the image of cinema into relief. A combination of two images were given on a screen - the two halves of stereograms, and in front of each seat auditoriums was assigned the appropriate stereoscopic glasses, which merges two flat images into one, but with all three dimensions. It was strange to see clearly and distinctly living people that move, act and express their thoughts and feelings, and to be aware at the same time, there's nothing there, but there are matt plate and behind it - the phonograph and electric light ticking."

"Red Star"