Acknowledgments for Previously Published Materials

Grateful acknowledgment is made to the following sources for permission to reprint from previously published material. The publisher has made diligent efforts to trace the ownership of all copyrighted material in this volume and believes that all necessary permissions have been secured. If any errors or omissions have inadvertently been made, proper corrections will gladly be made in future editions.

Excerpts from ADRIFT by Steven Callahan. Copyright © 1986 by Steven Callahan. Reprinted by permission of Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Excerpts from ENDURANCE by Alfred Lansing copyright © 1959 by Alfred Lansing. Reprinted by permission of Curtis Brown, Ltd.

Excerpts totalling 258 words from pages 103–104, 113 from TOUCHING THE VOID by Joe Simpson. Copyright © 1988 by Joe Simpson. Reprinted by permission of Harper Collins Publishers. Extracts from TOUCHING THE VOID by Joe Simpson published by Vintage Books reprinted by permission of The Random House Group Ltd.

Extract from SHACKLETON’S BOAT JOURNEY by F. A. Worsley copyright © 1977 by W.W. Norton & Company, Inc. Used by permission of W. W. Norton & Company, Inc. Also copyright © 1999 by Frank Worsley. Reproduced by permission of Sheil Land Associates Ltd.

Extract from ENDURANCE: AN EPIC OF POLAR ADVENTURE by F. A. Worsley copyright © 1931 by the Estate of F. A. Worsley. Used by permission of W. W. Norton & Company, Inc. and Sheil Land Associates Ltd.

Excerpts from RACE TO THE SOUTH POLE by Dennis N. T. Perkins et al. in THE ENCYCLOPEDIA OF LEADERSHIP, VOL. 3 (G. R. Goethals, G. J. Sorenson, and J. M Burns, eds.). Copyright © 2004 by Dennis N.T. Perkins et al. Used by permission of Berkshire Publishing Group LLC.