Well he was one.
Watch the sequence in Snow White where the Queen turns into the old witch. He creates a pan-around effect, where the camera appears to circle the queen while she’s in horrifying paroxysms. It’s astounding, considering it was completely two-dimensional.
The depth effects, so noticeable in Pinocchio, with the camera appearing to track into the scene, and the lovely moment in Fantasia, where the camera pans down the pillar, as Ali Gator slithers down it.
The Mickey Mouse show wasn’t his finest hour perhaps. But then I wasn’t watching it was I?
Cut the old boy some slack, mate.
Probably, like Alfred Hitchcock, he wasn’t someone I’d like to have in my family. But as an artist, he deserves considerable credit for technological innovation.