| Answer | Crossword Clue |
|---|---|
| CLUE | Key to the solution. |
| KING | "Love is the key to the solution of the problems of the world." (1964) |
| CLUE | Key to a solution. |
| CLUE | Guide to the solution. |
| SEARCHBACKWARDS | The solution to the problem! |
| MAN | Solution to the Riddle of the Sphinx |
| EYEDROP | What may have the solution to your vision problems? |
| CARDANO | Girolamo ..., Italian mathematician who first published the solution to the general cubic equation |
| AKEY | Solution to the classic riddle "What force or strength cannot get through, - I, with gentle touch, can do" |
