From Saint Paul to Cardinal Newman, from John Dryden to G.K. Chesterton, Catholic contributions to our cultural and spiritual life have been innumerable in scope and variety. On these pages are delineated the lives of great Catholic personalities who, in both secular and religious spheres, have given luster to their age and enriched our heritage. Included are studies of saints - St. Augustine, St. Catherine of Siena, St. Ignatius Loyola, and others - along with those of scientists like Mendel, and of poets like Gerard Manley Hopkins. These biographies are written by outsanding clergymen and men of letters, each of whom brings to his subject a deep understanding and appreciation of his particular favorite in the long and heroine line of great Catholics.