A Yale-educated Renaissance man, S. Dillon Ripley was a "courtly, determined, hugely ambitious, energetic, funny, and colorful ornithologist, conservationist, and cultural standard-bearer" who led the Smithsonian Institution for twenty years, during its greatest period of growth. During his watch, from 1964 to 1984, the SI added eight new museums and seven new research centers and began publication of the Smithsonian magazine. It was Ripley's vision...