Gautam N. Yadama, PhD, is a professor at the Brown School at Washington University in St. Louis, and a faculty scholar in Washington University's Institute for Public Health. His research transcends disciplinary boundaries to better understand and address complex energy, environment, health, and sustainability problems central to social wellbeing of the poor. In India, Yadama is studying livelihoods and response of communities and households to climate risks in semi-arid regions. In collaboration with Foundation for Ecological Security in India and colleagues in engineering and medicine, he is studying how to sustain clean cookstoves to improve environment and health outcomes in communities.
Mark Katzman has traveled the globe as a distinguished commercial photographer, on assignments from such publications as Time, Newsweek, Audubon, Backpacker, Food and Wine, Forbes, and Fortune, and such international companies as Microsoft, UBS, Boston Scientific, AT&T, Intel, Honda, Novartis, and Nestle-Purina. Named one of the 200 Best Advertising Photographers in the World in 2012 by Luerzer's Archive, Katzman is considered an international expert on the photogravure process. He lives in St. Louis with his wife and three kids.