Peter Kolchin is the Henry Clay Reed Professor, emeritus, at the University of Delaware. His books include Unfree Labor: American Slavery and Russian Serfdom; American Slavery, 1619-1877; and First Freedom: The Responses of Alabama's Blacks to Emancipation and Reconstruction. He lives in Newark, Delaware.

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Judith Kolberg is a professional organizer and the author of Conquering Chronic Disorganization and Organizer for Disaster.

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Gina Kolata is a science writer for the New York Times and the author of the national bestseller Flu.

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Shannon Kolakowski, PsyD, is a licensed psychologist in private practice. She blogs for Huffington Post, and is the author of Shy, Single and Looking for Love. Kolakowski's work has been featured in magazines such as Redbook, ParentMap, and Men's Health Magazine, as well as online at Shape.com and eHarmony.

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Nick Kokonas is a managing partner of Achatz LLC, which was formed to envision, create, and manage the restaurant Alinea in Chicago. Together with award-winning chef Grant Achatz, Nick coordinated the creation of Alinea, including the formation and execution of the business plan, hiring of all professional trades, and management of ongoing operations.

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Kathe Koja writes novels and short fiction, and creates and produces immersive fiction performances, both solo and with a rotating ensemble of artists. Her work crosses and combines genres, and her books have won awards, been multiply translated, and optioned for film and performance. She is based in Detroit.

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Thomas Kohnstamm was born and raised in Seattle and still lives in the same house he grew up in—now with his wife and two children. He's a career-long freelance writer and has run his own video and animation studio for over a decade. Supersonic is his third book.

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Frederick Kohner (1905-1986) was the author of the Gidget novels, which inspired a series of movies, two television series, three telemovies, and a feature-length animated film. He based the title character on his own daughter, Kathy Kohner Zuckerman.

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Marek Kohn is the author of nine books, including Four Words for Friend, A Reason for Everything, and Dope Girls.

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Alfie Kohn writes and speaks widely on human behavior, education, and parenting. He is the author of fourteen books, including Unconditional Parenting and The Myth of the Spoiled Child (both available as Tantor audiobooks), and scores of articles. He lives (actually) in the Boston area and (virtually) at alfiekohn.org.

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Eduardo Kohn is an associate professor of anthropology at McGill University and winner of the 2014 Gregory Bateson Prize.

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