Penn Herb Wellness Guide
Editorial Team & Photographers
Rebecca Iglesias, Copy Editor
Ms. Iglesias is the in-house copy editor at TraceGains. She holds a copy editing certificate from the University of California San Diego Extension and a BA in the history of art and visual culture from the University of California, Santa Cruz.
Joanne Summers, Staff Writer
Ms. Summers is a staff writer at TraceGains, where she works with subject matter experts in the fields of health and nutrition to create engaging content. She holds a BA in English from the University of Utah.
Photographers
Steven Foster, Photographer
Mr. Foster has worked as an author, photographer, and consultant specializing in medicinal and aromatic plants. He has written 13 books on herbs, including A Field Guide to Medicinal Plants (with Dr. James A. Duke) (Houghton Mifflin's Peterson Series, 2000), Herbs for Your Health (Interweave Press, 1996), and Echinacea—Nature's Immune Enhancer (Healing Arts Press, 1991). In addition to providing photographs to Aisle7, he has contributed to The Herb Companion, Herbs for Health, and HerbalGram magazines.
Martin Wall, Photographer
Mr. Wall owns Martin Wall Botanical Services, a company that supplies botanical images for educational and commercial use. His images have been seen in Natural Pharmacy, Herbs for Health, Nutrition Science News, and many other magazines and books. Along with his wife, Deetra, Mr. Wall has also acted as director of the Southeastern School of Herbal Studies from his home base in Greensboro, NC.
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Information expires December 2025.