Category:Portuguese scientists by century Subcategories This category has the following 6 subcategories, out of 6 total. 16th-century Portuguese scientists (4 C, 2 P) 17th-century Portuguese scientists (3 C, 1 P) 18th-century Portuguese scientists (3 C, 4 P) 19th-century Portuguese scientists (5 C, 4 P) 20th-century Portuguese scientists (6 C, 17 P) 21st-century Portuguese scientists (5 C, 17 P)
