On Oct. 31, 1517, an Augustinian monk named Martin Luther nailed 95 theses on a church door in Wittenberg, Germany, launching the widely influential Protestant Reformation. Luther’s objections to ...

Sts. Isidore, Ignatius of Loyola, Francis Xavier, Teresa of Avila and Philip Neri are shown kneeling on the ground and look in worship up to the Holy Spirit, proposed as a dove. Under the print is an ...