One and One Make Three (1967)
An attempt to use animation to explain the theory of relativity.
Directors: Zdenko Gašparović, Branko Ranitović.
| Directing | Zdenko Gašparović | Director |
| Visual Effects | Zdenko Gašparović | Animation |
| Writing | Zdenko Gašparović | Writer |
| Directing | Branko Ranitović | Director |
| Camera | Janez Mally | Director of Photography |
| Editing | France Lampret | Editor |
| Sound | Branimir Sakač | Original Music Composer |