David Rigby is a historian and the author of Allied Master Strategists, which was awarded the 2012 John Lyman Book Prize in U.S. Naval History, and No Substitute for Victory. He lives in Acton, Massachusetts.

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Jeremy Rifkin, one of the most popular social thinkers of our time, is the bestselling author of The Empathic Civilization and The Age of Access. An adviser to the European Union and to heads of state around the world, his work has been translated into more than thirty-five languages.

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Jana Riess is a senior columnist for Religion News Service and the author or coauthor of many books, including Mormonism and American Politics, Flunking Sainthood, and The Prayer Wheel: Rediscovering Prayer with an Ancient Spiritual Practice. She has a PhD in American religious history from Columbia University.

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Debra Rienstra is professor of English at Calvin University and the author of three books as well as numerous academic essays, literary essays, and poems. She writes biweekly about spirituality, pop culture, the church, the arts, higher education, and more for the Reformed Journal blog called "The Twelve."

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Kevin P. Riehle is lecturer in intelligence and security studies at Brunel University London. He also spent over thirty years in the US government as a counterintelligence analyst. He is the author of two books including Soviet Defectors: Revelations of Renegade Intelligence Officers, 1924-1954.

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Stephen J. Riegel is a practicing litigator and former federal prosecutor in New York City who appears in some of the same courts Crater did. He also has degrees in American history from Princeton University and Stanford University. He has published articles on legal history.

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Gonzalo Riedel is a writer and editor. He lives in Winnipeg with his two children.

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J. Terry Riebling has worked in the corporate communications, marketing, public relations, and advertising industry for over thirty years, and he is the author of Sniper's Eyes.

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Alfred J. Rieber is university professor emeritus at the Central European University and emeritus professor at the University of Pennsylvania. He is the author of numerous books including Stalin and the Struggle for Supremacy in Eurasia, which was shortlisted for the Pushkin Book Prize.

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Colonel Dennis M. (Mike) Ridnouer retired from the air force in 1992. He subsequently worked for the aerospace corporations Boeing and McDonnell Douglas and went on to work as a consultant for the defense industry. He currently lives near Charlotte, North Carolina, with his wife, Marilyn.

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Elizabeth Ridley is the author of five novels and coauthor of four memoirs, including Saving Sadie (with Joal Derse Dauer). She has a bachelor's degree in journalism from Northwestern University and a master's degree in creative writing from the University of East Anglia in Norwich, England.

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