Joyce B. Lohse?s seventh Colorado biography covers the larger-than-life story of Spencer Penrose?mining magnate, developer, philanthropist, and so much more. Born in Philadelphia in 1865 to a patrician family, he was the fourth of seven sons. Following a lackluster career at Harvard, he started a business in New Mexico and eventually joined the Colorado real estate business of Charley Tutt, a childhood acquaintance. The business owned the C.O.D. Mine...