Answer | Crossword Clue |
---|---|
PTOLEMY | Second-century astronomer |
PTOLEMY | Influential second-century astronomer |
PTOLEMY | Second-century astronomer and mathematician |
PTOLEMY | Influential second-century Greek astronomer and geographer |
OMAR | 11th century astronomer-poet. |
HALLEY | British astronomer of 18th century. |
METON | Athenian astronomer of Fifth Century B. C. |
GAUSS | Renowned 19th-century German mathematician and astronomer |