Illustrations have been relocated to more appropriate places in the text and the list of illustrations has been updated accordingly. Page 38: “but this brief vacational” changed to “but this brief vocational” Page 49: “were conscious charletans” changed to “were conscious charlatans” Page 57: “according to predecent” changed to “according to precedent” Page 125: “our authority must be spected” changed to “our authority must be respected” Page 167: “Clara Barton had two large” changed to “Clara Barton had too large” Page 243: “in addiion to his own disability” changed to “in addition to his own disability”