 Toniolo also knew Monsignor Georg Ratzinger - the granduncle of Pope Benedict XVI.In September 1918 he urged Agostino Gemelli to establish a college in Milan after the war ended and Gemelli founded the "Università Cattolica del Sacro Cuore" in 1921 with it growing to become one of the world's largest universities with branches in Milan (the main one) as well as in Piacenza and Brescia with its medical school located in Rome (the Gemelli Institute).Toniolo was also a friend to Bartolo Longo and the likes of Cardinal Andrea Carlo Ferrari and Bishop Giacomo Radini-Tedeschi lauded his thought and activism.