The name of Antonio Bacci will never be forgotten by those who love what he called the Catholic language. He put his learning to use in the service of the Popes, whose Latin expert he was for three decades. All the Papal encyclicals that were issued in Latin during the period 1931 to 1960 were written under his supervision. In skill of Latin composition he had no rival. Among the most learned cardinals of the last century, he must be numbered with Giovanni Mercati (1866-1957) and Eug