Anne C. Hallowell (B.S. biology, M.S. science education) is a naturalist and educator. She was an instructor with the National Audubon Society and Quebec-Labrador Foundation, taught elementary science, edited educational publications for the Wisconsin Department of Natural Resources, and directed a Schoolyard Long-Term Ecological Research (LTER) Project on native prairies in Minnesota. She is active in environmental sustainability and education projects.

Barbara G. Hallowell (B.S. biology) was a life-long nature educator, inspiring students in many settings from elementary schools to community colleges. She was instrumental in her town's first Earth Day celebration, founded its conservation commission, developed nature trails, established a botany club, taught classes for National Wildlife Federation summits, and wrote Cabin: A Mountain Adventure and Mountain Year: A Southern Appalachian Nature Notebook. A skilled photographer, she used her pictures for over 50 years in public lectures on nature topics and outdoor travel.