GODEL
| Date | Clue |
|---|---|
| 2017-06-18 | "___, Escher, Bach" (Pulitzer-winning book) |
| 2013-09-01 | Douglas Hofstadter's "___, Escher, Bach" |
| 2010-01-30 | Co-winner of the first Albert Einstein Award, 1951 |
| 2008-01-11 | Mathematician famous for his incompleteness theorems |
| 2006-08-12 | Formulator of the incompleteness theorems |
| 2004-12-01 | Mathematician Kurt |
| 2002-12-06 | "Incompleteness theorem" formulator |