|Scientists by period of activity|
Ancient | 5th century |
6th century | 7th century | 8th century | 9th century
This category contains scientists active during the
20th-century. Scientists can also be browsed by nationality.
This category has the following 13 subcategories, out of 13 total.
- Early spaceflight scientists (79 P)
- 20th-century women scientists (42 C, 446 P)
- 20th-century agronomists (175 P)
- 20th-century astronomers (1 C, 75 P)
- 20th-century biologists (14 C, 360 P)
- 20th-century chemists (1 C, 192 P)
- 20th-century earth scientists (3 C, 14 P)
- 20th-century engineers (53 C, 77 P)
- 20th-century mathematicians (3 C, 16 P)
- 20th-century physicians (85 C, 53 P)
- 20th-century physicists (35 C, 53 P, 1 F)
- 20th-century social scientists (4 C, 67 P)
Pages in category "20th-century scientists"
The following 30 pages are in this category, out of 30 total. This list may not reflect recent changes.