Ivan Garth Youngberg was the founder and director of the Institute for Alternative Agriculture.^[1][2]

He graduated from the University of Illinois with a PhD in Political Science in 1971.^[3] He taught at Southwest Missouri State University, where he was chairman of the Political Science department until 1981.^[4][5] He was a member of the United States Department of Agriculture (USDA) Study Team for Organic Farming,^[6] and Organic Resources Coordinator, for the USDA.^[7][8] He lost his job during the Ronald Reagan administration transition.^[9][10] He was a specialist with the Maryland Environmental Service.^[11] He supported the Organic Farming Research Foundation.^[12]

• 1988 MacArthur Fellows Program

• Alternative Farming Systems and Rural Communities: Exploring the Connections: Symposium Proceedings, Editors Garth Youngberg, Neill Schaller, Henry A. Wallace Center for Agriculture & Environmental Policy at Winrock International, 1992, ISBN 978-1-893182-02-8
• "Sustainable Agriculture: An Overview", Sustainable agriculture in temperate zones, Editors Charles A. Francis, Cornelia Butler Flora, Larry D. King, Wiley-Interscience, 1990, ISBN 978-0-471-62227-7
• "Policy Considerations for a Sustainable Agriculture", Sustainable Agriculture in California: Proceedings of a Research Symposium, Sacramento, California, March 15–16, 1990, Editor David Chaney, ANR Publications, 1991, ISBN 978-1-879906-02-0
• Understanding the True Cost of Food: Considerations for a Sustainable Food System: Symposium Proceedings, Editors Garth Youngberg, Otto Doering, Henry A. Wallace Center for Agriculture & Environmental Policy at Winrock International, 1991, ISBN 978-1-893182-14-1
• Biotechnology in Agriculture: Implications for Sustainability: Symposium Proceedings, Henry A. Wallace Center for Agriculture & Environmental Policy at Winrock International, 1986, ISBN 978-1-893182-03-5
• "The Alternative Agricultural Movement", Policy Studies Journal, Volume 6 Issue 4, Pages 524 - 530
• Federal administration and participatory democracy: the ASCS farmer committee system, Volume 1971, Part 1, University of Illinois at Urbana-Champaign, 1971
• John F. Kennedy's views on presidential power, Western Illinois University, 1966

• Oral "History Interview with Garth Youngberg". Jane Potter Gates, AFSIC Oral History Series
• "Interview with Garth Youngberg - Part VI", Organic Cooking