Gifford Pinchot was the first Chief of the United States Forest Service and the Governor of Pennsylvania . He was a Republican and Progressive.

Pinchot is known for reforming the management and development of forests in the United States and for advocating the conservation of the nation's reserves by planned use and renewal. He called it "the art of producing from the forest whatever it can yield for the service of man." Pinchot coined the term conservation ethic as applied to natural resources.