| Clue | Source | Date |
|---|---|---|
| Toy inventor with a background in sculpture and architecture | New York Times | 09 Feb 2025 |
| Inventor from Budapest | Newsday | 13 Oct 2023 |
| Notable Ideal Toy licensor of 1979 | Newsday | 02 Oct 2021 |
| Cube inventor | Newsday | 04 Jan 2018 |
| Inventor from Budapest | ||
| Eponymous Hungarian inventor | ||
| Eponymous Hungarian inventor | ||
| Famous cubist? | ||
| Cubist of note? | ||
| Creator of a 1980s craze | ||
| Cubist of the 1980s? | ||
| Cube inventor | ||
| Noted blockhead? |