The History of Conservation is a chronological timeline of some of the important events that have happened to the conservation movement. Included are plenty of references to important books to read as well.
There have also been many laws passed by our government regarding conservation. See Conservation Laws.
The Land Institute – working to develop perennial crops to conserve our food supply, protect biodiversity, and improve soil conditions.
John James Audubon
Theodore Roosevelt – our best conservation President
George Bird Grinnell
Terry Tempest Williams