Well, in this case, stereoscopic photography had been a thing for a long time (https://en.wikipedia.org/wiki/Stereoscopy), and TVs were becoming widespread, so having the idea of combining the two is not some kind of stroke of genius. So I would give more credit to those who work on the incremental improvements that make the thing actually possible. Same as I would give more credit to the Wright brothers (and the other aviation pioneers) than to e.g. Leonardo da Vinci...