Albert Knapp, PsyD, BCBA-D, RPT-S, is a clinical psychologist, a board-certified behavior analyst-doctoral, and a registered play therapist-supervisor at Argosy University in California. Dr. Knapp specializes in the effect of autism spectrum disorders on parental stress, anxiety, and coping.

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Christine Knapp practiced as a nurse-midwife for many years. A writer of texts and journal articles, she is now thrilled to combine her love of midwifery and mysteries as a fiction author. Christine currently narrates books for the visually impaired. A dog lover, she lives near Boston. Visit thoughtfulmidwife.com.

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Chris Knapp's work has appeared in print in the Paris Review and the New England Review, and online at Granta and n+1, among others. He's been a work-study scholar at the Bread Loaf Writers' Conference, and earned an MFA in creative writing at the University of Virginia.

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Robert K. Knake is a senior fellow at the Council on Foreign Relations, a senior research scientist at Northeastern University, and an adviser to startups, investment firms, and Fortune 500 companies. He is coauthor (with Richard A. Clarke) of the New York Times bestseller Cyber War.

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Andreas Kluth has been writing for the Economist since 1997 and is currently the U.S. West Coast correspondent.

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Kristine Klussman, PhD, is a Harvard-trained positive health psychology researcher, clinician, and community organizer. She is the founder of the Purpose Project, a nonprofit think tank committed to the scientific research, exploration, education, and practice of authentic connection. Visit her at kristineklussman.com.

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TJ Klune is a USA Today bestselling, Lambda Literary Award–winning author and an ex-claims examiner for an insurance company. His many books include the Green Creek series, The House in the Cerulean Sea, and The Extraordinaries. Visit him at tjklunebooks.com.

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Ken Klukowski is a constitutional lawyer and journalist whose work has been published by FoxNews.com, BigGovernment.com, and Townhall.com.

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Jeffrey Kluger is a senior editor and writer at Time magazine and the coauthor of the bestseller Apollo 13.

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Steve Kluger has written extensively on subjects as far-ranging as World War II, rock 'n' roll, and the Titanic, and as close to the heart as baseball and the Boston Red Sox. He lives in Boston, Massachusetts.

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Ruth Kluger (1931–2020) was a literary scholar, memoirist, and a professor emerita of German at the University of California, Irvine. The author of five books of literary criticism, she also studied English literature, obtained a master's degree in 1952, and a PhD in 1967.

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