Felix Candela (1910-1997) was a Spanish-born architect and engineer who gained a worldwide reputation for designing complex concrete structures, especially thin concrete shell structures, many times involving double curvature (hyperbolic paraboloid). This collection contains materials related to Candela's personal, professional, and academic lives, overarching all periods of his career. Project records document the full range of his work of both his Mexican and American periods. The collection contains extensive correspondence with personal friends, clients, and professional and academic colleagues; a large number of reference files relating to architecture, design, urbanism, technology, sociology, anthropology, and current events, compiled throughout Candela's professional life; architectural drawings and photographs from his work; and writings by and about Candela.