Evan is a historian of modern science and technology, specializing in the history of global chemistry, information technology, and environmental health. His current book project, Compound Words: Chemists, Information, and the Synthetic World, examines how technologies for managing information enabled the massive growth of chemistry and the chemical and pharmaceutical industries over the first half of the twentieth century. Other research interests include environmental history of chemical products from production to use to disposal, the history of computing, and connections between intellectual history and history of science, technology, and medicine. His work has been published in Environmental History, Historical Studies in the Natural Sciences, and Ambix: The Journal of the Society for the History of Alchemy and Chemistry, as well as The New York Times, The Wall Street Journal, and TIME.com.