A transdisciplinary Mormon history, this book is a work of American religious history, theology, science history, and cultural and historical geography. It deconstructs the "race" creationism, White supremacy, and Christian imperialism of leading interwar Mormon theologian B.H. Roberts. Roberts hoped to introduce the front-rank post-Darwinian, scientific, and philosophical postulates of his time-polygeny, preadamitism, electromagnetism, idealism, the multiverse, infinity, and interstellar travel-to an increasingly fundamentalist Mormon establishment. Church authorities, however, including...