William Stapp (1929-2001) was the "founder of environmental education". Stapp Nature Area is named after him.

Obituary

http://www.ns.umich.edu/Releases/2001/May01/r053101b.html

ANN ARBOR---William B. Stapp, professor emeritus of resource planning and conservation in the University of Michigan School of Natural Resources and Environment (SNRE), died May 21. Considered the founder of environmental education, Stapp spent his career searching for the root causes of environmental issues and helping students and adults find solutions to problems affecting their communities.

http://um2017.org/faculty-history/faculty/william-b-stapp/memoir