This book tells the remarkable life story of John Cairns, a Scottish theologian and preacher who became one of the most influential thinkers of the 19th century. The author, Alexander Robertson Macewen, draws on a wealth of primary sources, including Cairns' own letters, to depict not only his many accomplishments, but his complex character and the challenges he faced. This book is a must-read for anyone interested in theology, history of the Church, or biography. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.