Environmentalist
| Name | Nationality | Date of Birth | Date of Death |
|---|
| Aldo Leopold |
American |
January 11, 1887 |
April 21, 1948 |
| Carl Pope |
American |
|
|
| David Douglas |
Scottish |
1799 |
1834 |
| David R. Brower |
American |
July 1, 1912 |
November 5, 2000 |
| Donella Meadows |
American |
March 14, 1941 |
February 20, 2001 |
| Garrett Hardin |
American |
April 21, 1915 |
September 14, 2003 |
| Henry Walter Bates |
English |
February 8, 1825 |
February 16, 1892 |
| John Muir |
American |
April 21, 1838 |
December 24, 1914 |
| John Ray |
English |
November 29, 1627 |
January 17, 1705 |
| Joseph Banks |
English |
February 13, 1743 |
June 19, 1820 |
| Joseph Wood Krutch |
American |
November 25, 1893 |
May 22, 1970 |
| Luther Burbank |
American |
March 7, 1849 |
April 11, 1926 |
| Paul Harrison |
|
|
|
| Paul Hawken |
|
|
|
| Richard Leakey |
Kenyan |
December 19, 1944 |
|
| Roberto Burle Marx |
Brazilian |
August 4, 1909 |
June 4, 1994 |
| Roger Tory Peterson |
American |
August 28, 1908 |
July 28, 1996 |
| Will Steger |
American |
1943 |
|
| William Bartram |
American |
April 20, 1739 |
July 22, 1823 |