He was a noted ecologist and environmentalist who worked to get DDT banned in Wisconsin in 1969.
Senior Editor for the executive committee of the U.S./IBP, National Academy of Sciences, Washington, D.C. 166 pp.
Proceedings of a Conference on the Efficacy and Impact of Intensive Plant Harvesting in Lake Management.
Institute of Environmental Studies, University of Wisconsin, Madison.
Impacts of air pollutants on wilderness areas of northern Minnesota.
John T. Curtis, 50 Years of Wisconsin Plant Ecology.
Homer Erekson, Norman Grant, Ray Gorman, Pam Johnson, and Tim Krehbiel, Sustainability Perspectives for Resources and Business.
(Edited witl Jianguo Wu, K. Bruce Jones, and Harbin Li)