B. Brett Finlay, PhD, is the Peter Wall Distinguished Professor in the Michael Smith Laboratories at the University of British Columbia. A leading researcher on bacterial infection, he has been studying microbes for over thirty years and published over five hundred scientific articles. A cofounder of the biotech companies Commense, Vedanta, and Microbiome Insights, Dr. Finlay is an Officer of the Order of Canada, the highest Canadian civilian recognition. He is a coauthor of Let Them Eat Dirt: How Microbes Can Make Your Child Healthier.

Jessica Finlay, PhD, is a University of Michigan postdoctoral research fellow who specializes in environmental gerontology and health geography. With degrees from Queen's University and the University of Minnesota, she has won awards for her work and authored publications in leading health, geography, and gerontology journals. - (Workman Press.)