R A Sinn is the pseudonym for siblings Rachel Hope Cleves and Aram Sinnreich -- a historian and a futurist collaborating on a time-travel narrative rooted in family dynamics. A historian and professor at the University of Victoria, Rachel Hope Cleves is the author of three books, Unspeakable: A Life Beyond Sexual Morality (2020), Charity and Sylvia: A Same-Sex Marriage in Early America (2014), and The Reign of Terror in America (2009). Her research has been featured in The Washington Post, The Boston Globe, The Guardian, salon.com and brainpickings.org. Her current nonfiction project is titled "A Sinner's Guide to Food and Sex in Time." A Professor and chair of Communication Studies at American University Aram Sinnreich's work focuses on the intersection of culture, law and technology, with an emphasis on subjects such as emerging media and music. He is the author of three books: The Essential Guide to Intellectual Property (2019), The Piracy Crusade (2013), and Mashed Up (2010).

His current nonfiction project, under contract at MIT Press, is titled The Secret Life of Data. He has also written for publications including The New York Times, Billboard, Wired, The Daily Beast, and Salon.com.