Kenneth D. Frank is a retired physician whose current research focuses on how plants and animals adapt to urbanization. His work has been published in journals including Science, the New England Journal of Medicine, Pediatrics, Entomological News, and the Journal of the Lepidopterists’ Society.
Jonathan Silvertown is professor of evolutionary ecology at the University of Edinburgh. His books include Dinner with Darwin: Food, Drink, and Evolution (2017) and The Comedy of Error: Why Evolution Made Us Laugh (2020).