Milo Kearney is a professor emeritus of the University of Texas at Brownsville with a PhD in history from the University of California at Berkeley and 23 published books. Francis Galan is a lecturer at the University of Texas at San Antonio and holds a PhD in history from Southern Methodist University. The photographs in this book come mainly from San Antonio churches, the University of Texas at San Antonio Libraries Special Collections, the Institute of Texan Cultures, the Daughters of the Republic of Texas Library, and the National Park Service.