Ray S. Vizgirdas is a fish and wildlife biologist with the US Fish and Wildlife Service in Boise, Idaho. He has studied mountain environments in the West for more than 25 years, including the Sierra Nevada and northern Rocky Mountains. As a professional biologist, he has worked with numerous rare and endangered species ranging from gray wolves to rare plants. He holds concurrent positions as an instructor of field biology at the University of California, Riverside, and at Idaho State University and teaches a variety of field natural history courses. Ray is also the author of several books and articles on natural history, mountain and alpine ecology, and ethnobotany.
Edna M. Rey-Vizgirdas is a forest botanist in the Boise National Forest. She also teaches field biology courses at the University of California, Riverside, and at Idaho State University. She leads a variety of natural history tours and field biology courses in the western US and Canada, focusing on native plants, ethnobotany, wildlife, and winter ecology. She also teaches botanical illustration, art classes for elementary school kids, yoga, snowshoeing, and nordic skiing.