Jan MacKell received her MA in history from the University of Colorado. She resides in Victor, Colorado, and is director of the Cripple Creek District Museum in nearby Cripple Creek. MacKell is also the author of Cripple Creek District: Last of Colorado's Gold Booms. Thomas J. Noel is a former chair of the Denver Landmark Preservation Commission and current National Register reviewer for Colorado. Nicknamed ""Dr. Colorado,"" Noel is a professor of history at the University of Colorado, Denver, and author of Riding High: Colorado Ranchers and 100 Years of the National Western Stock Show.