John E. Miller was an American historian and longtime professor at South Dakota State University, where he taught courses in U.S. history, South Dakota history, and historical methods from 1974 until his retirement in 2003, later continuing briefly as adjunct faculty. Educated at the University of Missouri and the University of Wisconsin, he also served in the U.S. Army and taught overseas before beginning his academic career. A prolific scholar, he wrote extensively on Midwestern history, politics, creativity, and small town culture, and became especially known for his studies of Laura Ingalls Wilder. His books include Looking for History on Highway 14, Becoming Laura Ingalls Wilder, and Democracy's Troubles. Miller conducted numerous oral history interviews and contributed to major historical projects and organizations. Over his career, he received multiple awards recognizing his scholarship, including honors from regional historical societies and academic institutions, and was widely respected for his teaching, research, and engagement with public history.