Dr. Rachel M. Roller is an analytical chemist with expertise in paper microfluidics, pharmaceutical quality screening, chemical education, and the history and philosophy of science. Dr. Roller employs paper microfluidics in inquiry-based chemistry labs for in-person or remote learning, as well as for illicit drug detection and to screen for substandard and falsified pharmaceuticals in low- and middle-income countries. Her work on scalable paper-device fabrication methods includes a patent application for roll-to-roll manufacturing of air-gap paper analytical devices.