- Theodore Roosevelt (October 27, 1858 - January 6, 1919) – Twenty-sixth president of the United States (1901-1909). Progressive President who expanded executive powers and the federal government into environmental, social, and economic life of the United States.
- Additional Resource: Theodore Roosevelt
- Liberty Hyde Bailey (March 15, 1858 - December 25, 1954) – Botanist, naturalist, horticulturalist, director of New York State College of Agriculture at Cornell University.
- Additional Resource: Liberty Hyde Bailey
- Henry Wallace (1836 - February 22, 1916) – Teacher, minister, farmer, founding editor of Wallaces’ Farmer, and the oldest commission member.
- Additional Resource: Henry Wallace
- Kenyon L. Butterfield (June 11, 1868 - November 25, 1936) – President of the Massachusetts Agriculture College in Amherst, MA.
- Additional Resource: Kenyon L. Butterfield
- Walter H. Page (August 15, 1855 - December 21, 1918) – Editor of The World’s Work, a prominent New York magazine, a later addition to the commission.
- Additional Resource: Walter H. Page
- Gifford Pinchot (August 11, 1865 - October 4, 1946) – Conservationist, United States Forester and chairman of the National Conservation Commission, Pennsylvania governor (1923-1927, 1931-1935).
- Additional Resource:
Gifford Pinchot
- C. S. Barrett President of the Farmer’s Co-operative and Educational Union of America, Union City, GA, a later addition to the commission.
- Additional Resource: C.S. Barrett
- William A. Beard - Editor of The Great West Magazine and chairman of the Sacramento Valley Improvement Association and the National Irrigation Society.
