| Answer | Crossword Clue |
|---|---|
| COPERNICUS | Pioneer in astronomy, c. 1530. |
| LINNAEUS | Pioneer in systematic botany, c. 1750. |
| ARCHIMEDES | Pioneer in physics, c. 250 B.C. |
| Answer | Crossword Clue |
|---|---|
| COPERNICUS | Pioneer in astronomy, c. 1530. |
| LINNAEUS | Pioneer in systematic botany, c. 1750. |
| ARCHIMEDES | Pioneer in physics, c. 250 B.C. |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.