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Category:9th-century scientists

From Wikipedia, the free encyclopedia
Scientists by period of activity

Ancient | 4th century | 5th century | 6th century | 7th century | 8th century | 9th century
10th century | 11th century | 12th century | 13th century | 14th century | 15th century
16th century | 17th century | 18th century | 19th century | 20th century | 21st century

This category contains scientists active during the
9th-century
. Scientists can also be browsed by nationality.

Subcategories

This category has the following 8 subcategories, out of 8 total.