In the 1950s the brethren at the Benedictine Abbey of Saint John the Baptist in Collegeville, Minnesota—the largest Benedictine abbey in the world—decided to expand their campus, including building a new church. From a who’s who of architectural stars—such as Walter Gropius, Richard Neutra, Pietro Belluschi, Barry Byrne, and Eero Saarinen—the Benedictines chose a f…