Brother Leo, detail from a painting by El Greco. Public Domain. Wikimedia Commons
Thomas of Celano: http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=76220388
Roger Bacon, photo of a statue by Michael Reeve. CC BY-SA 3.0 U. Wikimedia Commons
John Duns Scotus, by Justus van Gent. Public Domain. Wikimedia Commons
Francois Rabelais, Anonymous, 17th century. Public Domain. Wikimedia Commons
Pio of Pietrelcina, by Roberto Dughetti, 1966. CC ASA 3.0 U. Wikimedia Commons
Clare of Assisi, by Simone Marlini, ca. 1322. Public Domain. Wikimedia Commons
Anthony of Padua, by Alvise Vivanni, 15th century. Public Domain. Wikimedia Commons
Bonaventure, Vittorio Crivelli, 1500. Public Domain. Wikimedia Commons
William of Ockham, 1341, Public Domain. Wikimedia Commons.
Junipero Serra, Detroit Pub Co., 1898. Public Domain. Wikimedia Commons
Maxilimian Kolbe, 1936. Copyright has expired. Public Domain. Wikimedia Commons